The singer uploaded the snap on her official website, showing a very young Beyonce celebrating her birthday – complete with a party hat!
PICTURE: KIM KARDASHIAN AN APPARENT DIG AT BEYONCE AND JAY Z WITH 'ELEVATOR KISS' POST
For those wondering how Bey is celebrating his birthday, husband Jay Z, 44, has whisked her off to Europe.
The couple are said to be sailing on yacht with their closets friends. A source told Hollywood Life: "They love celebrating her birthday in Europe, they always have an amazing time.
"Being out on the ocean on a yacht with their closet friends is Beyonce's favourite way to celebrate, so that's the plan again this year.
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"Jay Z's all about making her happy and proving his love to her right now. He's got her some serious bling, but the downtime out on the boat with their crew os what she really wants."
Jay and Bey recently put those pesky split rumours to bed once and for all, by indulging in some serious PDA at the Made In America festival in LA.
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The usually private couple were pictured kissing and whispering – just generally all over each other.
We're so glad to see them getting back to their best!