100+ Hearty Happy 40th Birthday to My Best Friend

 

Happy 40th Birthday to My Best Friend: Wouldn’t it be nice if you could pause time to just enjoy life with your loved ones? We can all agree that having the ability to effectively stop time sounds like a fantastic superpower. But, we can’t freeze time. What we can do is take the time to celebrate important moments in the lives of our loved ones.

We have all experienced a moment of a great friendship when we see our friend succeed and find happiness without being too self-focused. If you are looking for some words to say to your best friend on the occasion of their 40th birthday, continue reading.

 

 

Happy 40th Birthday to My Best Friend

  • Happy 40th birthday to my dearest friend, my former roommate and occasional dance partner, my confidante, and co-conspirator, the person I laugh hardest with and tell dirtiest jokes, who makes me want to spoil her rotten.

 

  • My best friend is 40 years old today and I’m celebrating in my favorite spot that we discovered together back in high school.

 

  • 40 years together and you’re still my sunshine and my only I love you

 

  • We started out kids and now we’re adults—throwing a dinner party for our family. Thanks for being my person.

 

  • happy 40th birthday to my best friend 😉 love you always!

 

  • happy 40th birthday to my best friend – looking just as good on this milestone birthday as the day I met you (well, minus those eyebrows) 😜 love you.

 

  • Happy 40th birthday to my best friend and the coolest person I know who loves good food, photography, cooking, coffee and is fascinating to talk to 😊🍰

 

  • Happy 40th birthday to my best friend, mom, and partner in crime. I love you.

 

  • Happy 40th birthday, my bestie! Let’s get the party started!

 

  • Celebrating my bestie’s 40th birthday tonight with a BANG! Send her some love.

 

  • 40’s the new 30’s my friend #happybirthday

 

  • There is nothing I would rather do than celebrate with you. Happy birthday, dear!

 

  • It’s your birthday and you deserve the world. I love you.

 

  • No matter what happens this weekend, you know I’ll be there to celebrate with you.

 

  • Because sometimes you need a little help from some quirky animals to celebrate your birthday.

 

  • Happy 40th birthday my dear friend. Many more happy years and adventures to come.

 

  • Excuse the selfie but I wanted to wish my dear friend Beverly a happy 40th birthday.

 

  • Getting ready for this beautiful birthday weekend for my best friend!

 

  • Happy Birthday to my best, sweetest friend and the person who makes all my dreams come true. I love you.

 

  • 40 years, huh?! Trust and believe, we’re all looking forward to many more! You’re the best! Happy birthday.

 

  • Can’t believe you’re 40, dude! Love you for always being there for me and taking on my mom-like responsibilities.

 

  • If I could give you one present for your 40th, it’s that I hope this milestone inspires you to never stop being the kind friend and supportive teammate we all know and love.

 

  • We’ve been friends now for almost two decades, and I hope that our friendship only keeps growing from here.

 

  • Happiest of birthdays to my best friend who turned 40 with a great sense of fashion flair. Here’s to being young and fabulous AF at 40!!!

 

  • Happy 40th birthday, sunshine! I’m so lucky to have a friend who I feel is like a sister to me.

 

  • you are the funniest and smartest person I know and my life is better because you are in it. 40 years later and we’re still the same goofballs.

 

  • 40 years, baby! You’re not getting older, you’re getting better. I love you to the moon and back. Let’s party.

 

  • Birthdays are a celebration of celebrating time 🎂 with friends and family.

 

  • Happy 40th birthday to my best friend, the love of my life, and the funniest person I know.

 

  • Happy 40th birthday to my best friend and floral fiend, Happy birthday.

 

  • Happy 40th birthday to my very best friend, the first girl I ever went bra shopping with, and the only person I could ever get churros for.

 

  • Happy 40th, honey. You’re the best and there’ll never be another you. (And thanks for being my twin and best friend since like, age 1.) Love you lots.

 

  • Happy 40th birthday, my dear friend! You have accomplished so much in this life. I’m proud to call you my best friend. Cheers to many more.

 

  • Celebrating my 40th with a man I cherish and adore. Happy Birthday, honey. Love you!

 

  • Cheers to 40 years of friendship and memories. I love you

 

  • I’ve known you for 40 years—you were my first client and I was your maid of honor. Happy Birthday!

 

  • 40 is the new 30, at least in this case! Happy Birthday!

 

  • Happy birthday, my love! I can’t wait to celebrate with you Saturday night at our spot.

 

  • HAPPY BIRTHDAY, darling! You’re the best sister anyone could ask for. I love you to pieces and have so much fun celebrating your big day with you.

 

  • If I could have one more day with my best friend, the world would be a happier place. HBD!

 

  • Friends come and go, but true friends will always stick around with you. Happy 40th to my best friend, who’s kept me crazy all these years.

 

  • We’re celebrating 40 years with my best friend. We love you and we miss you.

 

  • Happy 40th Birthday to this heart of gold, who has been by my side since I walked down the aisle at age 18. 🍁 Love you more than a fat kid who loves cake!

 

  • Happy 40th birthday my love! I can’t believe it’s been 40 years already!

 

  • The best woman turns 40 today. I’m so thankful for her.

 

  • You’re not only my sister, but also my best friend. I hope your 40th year is full of as many blessings as you’ve given me over the last 40.

 

  • 40 years ago, we met. And on that night, I found the best friend I could ever imagine. Thank you for making every day colorful and full of life.

 

  • It’s impossible, to sum up, 40 years of friendship in one caption, but I hope you all know that words can’t come close to describing how I feel. Here’s to many more decades.

 

  • Celebrating you on this important day with the best present ever 40 years Young.

 

  • Ain’t no mountain high enough to keep me from celebrating your birthday! WOW, you are 40?! Happy birthday anyway.

 

  • So much love for the best friend who has been there through it all, the fun and the not-so-fun times!

 

  • Happy 40th birthday to my best friend! Hope your day is as special as you are.

 

  • Happy 40th birthday to my best friend. If I could write our love story…it goes something like this Once upon a time, there was a crazy girl and a sarcastic guy who made it all happen.

 

  • 40 years ago today, my best friend was born. Happy Birthday.

 

  • 40 years is a LONG time. A few more and you’ll have to call me grandpa. Happy birthday, bestie!

 

  • Happy birthday to my old friend and my new friend. I feel so lucky that this dope person is now in my life.

 

  • 40 years of friendship is something we’re both proud of. Here’s to many more, my friend!

 

  • Happy birthday to the love of my life—Mr. Darcy to my Lizzy Bennet

 

  • Celebrating my bestie! She’ll always be the little sister I never had.

 

  • You’re one of the most amazing friends I have and I hope you always remember that.

 

  • Thank you, my friend, thank you for always making me a better person and being the best inspiration 💜🌹I love you

 

  • Happy 40th birthday to my best friend! Can’t believe you’re 4 decades old, but I’m so happy to have you in my life.

 

  • It’s been 40 years of snuggles, kisses, and smiles. Thanks for being my best friend 💓💓💓

 

  • Can’t believe your 40th birthday is this week! Wishing you so much joy and laughter. Here’s to many more years of friendship.

 

  • Hey birthday girl, this is what 40 looks like old school road trip Kewl brownie n’ whip cream party with all your favorite people

 

  • Happy birthday, Mom. I can’t believe you’re turning 40 but I’m glad that we’re growing old together.

 

  • 15 years of friendship, 40 years of fun. Happy Birthday!

 

  • Sending you all the warmest birthday wishes ever and looking forward to your next 40 years with you. The best is yet to come, babe!

 

  • It’s big. It’s small. It’s the best thing to happen since sliced bread (or, you know, sliced bagels). Happy 40th birthday to my best friend.

 

  • 40 years of friendship, 20 years of marriage, 1 lifetime worth of memories. Happy 40th birthday, bestie!

 

  • Celebrating 40 years of friendship with this special gal.

 

  • You don’t get to 40 without a little careful cooperation with the universe. So from me to you, much love and good vibes.

 

  • Here’s to the next 40 years of memories to come.

 

  • Happy 40th birthday to my best friend in the whole wide world. We’ve seen some stuff together. Can’t wait to see what happens next.

 

  • Happiest 40th birthday to my very best friend.

 

  • Happy 40th birthday, my best friend, the rock of our family—you are everything.

 

  • My best friend is turning 40 today. She’s the coolest. I’m wishing her a happy birthday.

 

  • 40 years of friendship, laughter, and love. Happy 40th Birthday.

 

  • Ain’t nobody got time for that. Happy 40th birthday.

 

  • I feel so lucky to have met you so many years ago…40 is going to be amazing!

 

  • With each year I get to spend with you, I find myself more excited for what we will share in the next. So happy 40th birthday. I love you. Happy Birthday!

 

  • Birthdays are a time to party & reflect on what we’re grateful for. Here are 40 things I’m grateful for. Happy Birthday, Forever Friend!

 

  • Birthdays are a time to celebrate life and all its beauty. So I’ll raise my glass to you as we grow old together…that is if you still want me around.

 

  • Happy Birthday, my friend. May you have a day of days!

 

  • Happy 40th birthday to my best friend, who makes me laugh every day and always knows how to listen.

 

  • this is my best friend in the world, we have done everything together. I love you and hope you have a great 40th birthday.

 

  • Happy birthday, buddy! You’ve been a reliable best friend since grade school and I look forward to your yearly visits as much as anyone. 40 and fabulous!

 

  • 40 years of friendship! You are the best birthday present I’ve ever received.

 

  • To my best friend, you’re pretty amazing. Thanks for 40 years of friendship and laughter.

 

  • 40 years old and still the biggest goofball I know! It’s been a blast 40 years with you. Here’s to many more

 

  • To my best friend who made it to the big 4-0… and to the host of other milestone celebrations you’ll be partying at! 🍾🍾 #happybirthday

 

  • HAPPY 40th BIRTHDAY to my best friend!!! You are aging beautifully 😜 I’m so grateful to have the pleasure of celebrating this milestone with you.

 

  • To a beautiful, funny, and fiercely loyal best friend who always makes taking care of her 5-year-old self easier than I could possibly imagine. Happy 40th birthday!

 

  • I might’ve missed the boat on this friendship thing, but I’m glad you didn’t. Here’s to 40 more years.

 

  • Here’s to 40 more years of friendship, 40 more reasons to have fun. Cheers!

 

  • When I found out my best friend was turning 40, I knew I had to send him a present marking the occasion.

 

  • Happy 40th birthday, Rosie. I’m proud to have you as my sister-in-law, my friend…

 

  • Time flies. I still can’t believe my best friend isn’t 40 already! Happy birthday, dearest! I’m so lucky to have grown up with you.

 

  • Yesterday you were 40 as you played, danced, laughed and climbed to 40!

 

  • Celebrating the big 4-0 with the best person I know.

 

  • On your big day, don’t let a milestone pass without acknowledging what it means. You’re only as old as you feel, and today you feel 40.

 

  • 40 candles, 40 years of friendship, 40 reasons why I love you.

 

  • Can’t believe you have reached the big 4-0! Here’s to another good year celebrating and making tons of memories together.

 

  • Today is for celebrating you! Thanks for making the world a better place

 

  • Let’s do this. I love you so much, and I hope that your birthday is completely wonderful, filled with everything you want to celebrate. Now, where’s the cake?

 

  • Happy 40th birthday to my best friend I’m so excited to celebrate with you tomorrow.

 

  • There is nothing like celebrating my best friend’s 40th birthday with good friends and great wine.

 

  • 40 years and counting! We have been through it all over these 40 years.

 

  • 40 years is a long time – it’s almost as long as us! Happy birthday.

 

  • Happiest of Birthdays to my partner in crime, my ride or die. I love you.

 

  • 40 years and we’re still just two kids in love.

 

  • 40 can be a big birthday, but we’ll make it even bigger by celebrating your best birthday.

 

  • Celebrating this beautiful birthday with you.

 

  • Happy 40th Birthday to my best friend, You’re the coolest.

 

  • Special day today… Happy 40th birthday to my best friend, @wendybsimmons. I hope it’s filled with as much joy and laughter as there has been over the past 40 years. I love you

 

  • Happy 40th, We look forward to spending the next 10 x 40 years with you.

 

  • Babe, 40 looks good on you. So glad I get to celebrate your big day alongside the people who mean the most.

 

  • 40 years of friendship, you’ve made an impact that lasts a lifetime. Happy birthday Booboo!

 

  • Congrats on turning 40, bro! I wish you’d grow old as gracefully as you did young.

 

  • Happy Birthday my best friend! I can’t believe you’re 40! Love you and here’s to the next 40 years.

 

  • Friday night jammies, movie night, and pizza. Nothing beats going out with my best friend on her 40th birthday!

 

  • Happy birthday to my best friend and the most caring and loving person a girl could ask for.

 

  • birthday memories forever. May the best man win. And all of those other cliches about a person’s best friend for life. You are the kindest, funniest, and most unflappable force in my life and I could not love you more. Ever.

 

  • 40 is the new 20 or so I’ve heard and it’s all about great friends, family, wine.

 

  • 40th birthday to my daughter: an old soul with her heart on her sleeve. The best friend anyone could ever ask for!

 

  • Not only have you been my partner in crime for the last 40 years, but I’ve also discovered an incredible friend. Wishing you all the best on your special day!

 

  • I still can’t believe it’s been 40 years since you were born. You truly deserve a weekend of fun. Hope you enjoy your day!

 

  • So happy to celebrate our birthdays together this year! Here’s to the best friendship and memories.

 

  • You can have my cake and eat it too! cheers to us celebrating our 40th over a summer full of laughs and storms.

 

  • Happiest of birthdays, old friend. Hope it’s a fun-filled day for you and your tribe.

 

  • Happy 40th birthday to my best friend–you make me feel a million miles away when I look down at my feet.

 

  • Happy 40th B-day to my best friend!

 

  • You’re not just a birthday buddy—you’re a real pal. Happy 40th.

 

  • To my best friend, I’m so happy to celebrate this milestone with you—and even happier that the next 40 years will be filled with more adventures.

 

  • Reuniting with old friends, refuelling with familiar foods and drinks, and listening to the same music that we first jammed to together. 40th birthdays are what true friendship is made of.

 

  • 40 years old, 40 reasons to celebrate, and 40 reasons to keep on keeping on.

 

  • can’t believe it’s been 40 years. how did we get so old? (it’s definitely not from all the discos.) happy birthday, buddy!

 

  • 40 is the new 30…but only because my brother and his wife are both turning 40 this year.

 

  • Sometimes I still can’t believe that you’ve actually been around longer than me. Happy Birthday.

 

  • I’m so grateful to have you as my friend—happy birthday.

 

  • Happy 40th birthday to my best friend who loves her flip-flops, the Beatles, and a good scotch as much as I do.

 

  • Celebrating 40 years of friendship on the golf course today. Happy 40th Birthday, my best pal.

 

  • 40 and fabulous! Happy birthday to my best pal… Here’s wishing you fun, joy & laughter every day.

 

  • happy birthday to my best friend.

 

  • happy birthday to my bestie and one of the most special women in my life.

 

  • 40 is the new 29 #bestfriend

 

  • So you’re 40, huh?

 

  • What a joy it has been to grow up with you. I love everything you are and look forward to the years ahead. Big Happy Birthday wishes!

 

  • Celebrating this day with you and the most beautiful girls in the world.

 

  • Some friendships are two decades old—and still, look as fresh as the day we met. Happy birthday to my best friend.

 

  • I’m so happy you’ll spend the day with me celebrating life, friendship, and your 40th birthday.

 

  • 40 years. 40 years of friendship. 40 years of adventures. 40 years of the best times. 40 years that I wouldn’t trade for anything in the world. Cheers to another year with you, my friend. I love you!

 

  • Happy birthday to my twin, my best friend. I love you to infinity and beyond.

 

  • 40 years today? That’s incredible. It’s hard to picture where the time has gone, but I do know that every year has been special because you’ve been a part of it. Here’s to 40 more years to come, my awesome friend ❤️.

 

  • I love my best friend. Thank you for always being there for me, no matter what. So excited for our trip next week!

 

  • Happy Birthday to the most giving person ever! You’re sweeter than a homemade pie.

 

  • We’ve got 40 years of friendship—and counting.

 

  • I wouldn’t always admit it, but I’m not a total jerk…I do have a few friends. Happy Birthday!

 

  • My favorite person to go on adventures with, especially the kind that involves lots of wine.

 

  • It’s your birthday! We’re so excited for you to have an epic time with all the candles.

 

  • It’s the best birthday ever because it’s yours. Happy 40th, buddy!

 

  • I can’t imagine celebrating my 40th birthday without you. You are the voice of reason to my many harebrained schemes, the eye in my storm of life. You make me laugh until I can’t breathe and cry until I start laughing again. When you see me flailing about with no compass, you help me steer the ship.

 

  • I first met you when I was 20 years old, today you turned 40. Happy Birthday, we’ve had so many adventures together thanks for being my best friend ever! forever.

 

  • What better way to celebrate your 40th birthday than by riding one of the tallest roller coasters on the east coast! Enjoy!!!

 

  • Hope you have an amazing 40th birthday and that 40 is even better than 20 and 30 combined!

 

  • Here’s to 40!

 

  • You are the best friend a girl could ask for and I am thankful that we are celebrating your birthday today!

 

  • wishing my good friend a super happy and glad birthday.

 

  • 40 years ago today two people met, fell in love, and created a family. Happy Birthday to my best friend & most rockin’ wife ever.

 

  • 40 years and still the life of the party. Happy birthday.

 

  • Can’t wait to celebrate your 40th birthday with you in five days. So excited to spend this milestone moment together. Your place or mine?

 

  • Someone once told me the age of 40 is a whole lot better than the age of 20, and he was right—I’m proof! Wishing my lovely wife a very happy 40th birthday.

 

  • Can’t believe you’re 40!

 

  • You’ve been my partner in crime and adventure. Your crazy, you keep me on my toes. I can’t believe you’re 40!!!

 

  • 40 years old and still learning about love, friendship, gratitude, and life. You’re my favorite person to talk to and learn from!

 

  • Happy Birthday. Here’s to 40 more.

 

  • I am so grateful to have you as a partner in crime on this crazy adventure we call life. ❤️🇺🇸 #HappyBirthday

 

  • We’ve done a lot together. And you deserve to celebrate.

 

  • A good friend is someone who brings out the very best in you. Here’s to another year of being the awesome person you already are.

 

  • Best friends—like birthday cake and candles—are sweet, but wishing you a lifetime of happiness is even sweeter.

 

  • Your birthday is the perfect excuse for me to tell you just how much I cherish our friendship.

 

  • Our friendship began before you even knew how to laugh. And just thinking of you makes me laugh out loud. Happy 40th birthday, forever my best friend.

 

  • happy 40th birthday babe!! This next decade is going to be epic !! Love you

 

  • You’re my middle child, the one who never listened to me. Your obedience is abominable. But I’m so happy you are 40 today and that I have had you in my life for so many years!

 

  • Happy birthday to the most honest and loving person I know. You will always be my favorite person to get advice from and someone I can count on.

 

  • 40 is the new 30. And 50 is the new 40. Happy birthday!

 

  • Ryan and I celebrating his 40th with a weekend away. Enjoying our last days of summer.

 

  • Thanks for always cheering me up when I’m down, seeing the glass half full in every situation, and teaching me the best decision-making. You always know what to say to make me laugh, have a good time and be happy. Thanks for being my imperfectly perfect best friend.

 

  • Thanks for always being there for me, inspiring me, and choosing me day after day. I couldn’t imagine my life without you. happy birthday

 

  • Here’s to you, my friend. To spend our lives together not just our birthdays. Happy birthday.

 

  • It’s your day and you look good. 🎉

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