Sharing a series of throwback photos of the couple, as well some of Pink with their children, Hart, 45, called his wife his "better half." "Happy birthday to my MUCH better half, @pink ...

Happy birthday, my love! Being with you is a gift today and every day. Happy birthday to my better half. How lucky we are to have each other. Happy birthday to the one who always makes my heart ...

“This is what 60 looks like,” Barack, 62, wrote Wednesday on X. “Happy birthday to my better half — who happens to be one of the funniest, smartest, most beautiful people I know ...