Cheers to 40 years of friendship, joy, and adventures. Happy Birthday!

Happy 40th, my dear friend! Here’s to four decades of amazing memories and many more to come!

Wishing you a fantastic 40th birthday filled with love, laughter, and all your favorite things!

On your 40th birthday, I wish you a life filled with happiness, success, and everything your heart desires.

Welcome to 40, where the fun has just begun, and the warranty has expired!

Happy 40th! Don’t worry, you’re not old; you’re just getting started on your second wind!

Forty is when you finally realize the value of a good nap and a comfortable pair of shoes. Enjoy!

Turning 40 is like being a classic car – you may have a few dents and scratches, but you’ve still got that vintage charm!

Cheers to my best friend on your 40th birthday! May your day be filled with love and joy.

Happy 40th to my best friend! Here’s to more years of laughter, fun, and unforgettable moments together.

Happy 40th! You’ve been my rock and my partner in crime. Here’s to many more adventures!

To my dearest best friend, happy 40th birthday! You’re the yin to my yang, and I cherish our friendship more than words can express.

Turning 40 and still looking hotter than ever! Happy birthday to a certified MILF/DILF!

Happy 40th! Time to embrace your inner wild child and make some naughty memories!

Turning 40 means you can be as naughty as you want and still blame it on a mid-life crisis. Enjoy!

Congrats on 40 years of being fabulous and a little bit naughty. Keep it up!

Happy 40th! Still got it… mostly!

Welcome to 40! Life begins at the end of your comfort zone.

Forty and fabulous! Happy Birthday!

Happy 40th! May this year bring you all the joy and blessings you deserve.

Happy 40th Birthday to an incredible woman and a dear friend. Shine on!

Cheers to a fabulous woman on her 40th birthday. Here’s to more amazing years ahead!

You’re not just getting older, you’re becoming a timeless beauty. Happy 40th birthday, gorgeous!

Happy 40th Birthday! May your day be as bright and wonderful as you are.

Wishing you a joyful 40th birthday filled with love, laughter, and happiness.

On your 40th birthday, I wish you a life filled Happy 40th! Here’s to celebrating you and all the joy you bring into our lives.

Happy 40th Birthday to my friend who feels more like a sister. Love you always!

Wishing my sister-friend the happiest 40th birthday. You’re the best!

Happy 40th! You’re not just a friend, but a sister by heart. Celebrate big!