Beyonce -- My Birthday's Worthy of Presidential Mention!!! (PHOTO/VIDEO)

Beyonce is officially on the backside of her 30s, and it happened Sunday in grand fashion.

Bey hobnobbed it with President Clinton and tons of other celebs at the Made in America festival in Philly.

Jay Z danced with the birthday girl, as Chance The Rapper sang the song we're finally allowed to put up on the site.