Age is nothing but a number! On Thursday, April 18, Gwyneth Paltrow jokingly called out an Instagram meme that suggested 40-something is too old to show off some cleavage, and honestly, we’re here for it.

“Someone just asked me if my boobs always have to be out,” read the meme. “LMAO yes bitch, they do. This is prime titty time. When I’m 40 and they’re saggy, I’ll put them away, but until then, you can shut your Mother Teresa turtleneck wearing ass up and mind your damn business.”

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Let's hear it for 40's titties. #CommentsByCelebs

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Gwyneth’s reply is everything. “Hey now, 40’s titties can be all that and a pack of chips, don’t you forget it,” she, 46 commented. She’s so right.

The Shakespeare In Love actress isn’t the only celeb celebrating this epic era. Kourtney Kardashian just joined the 40 squad on Thursday, April 18, and by the looks of it, it was nothing short of amazing. She started her day with a casual bike ride, and by night time, things spiced up. The mom-of-three celebrated this milestone with an over-the-top party, which featured a realistic cake of herself sitting naked on a bathtub.

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While that was impressive, so was the guest list. Aside from the famous Kar-Jenners, like her sisters, mom Kris Jenner and grandma MJ, there were a few A-Listers in attendance. Her ex/baby daddy Scott Disick was at the bash, and so was Kanye West, French Montana, Paris Hilton, Robin Thicke, and Migos’ Quavo. The Keeping Up With the Kardashians star is proving that women really do age like fine wine.

Another celeb to recently turn 40 is Kate Hudson, who started off her big day with a car jam session. “It’s my birthday tomorrow! Oh s—t! ” she wrote on her Instagram Story as she listened to “Oh S—t” by Bizarre Ride II The Pharcyde.

All of these ladies are such a mood.