Stars celebrate Labor Day in full force

Your favorite stars pulled out all the stops for Labor Day weekend!

Kelly Osbourne basked in the summer sun on a luxurious yacht (check out this similar cover-up) while Hoda Kobt and her gal pals were the perfect spectators at the US Open! We even spotted Mariah and her adorable kids having some fun at the Bronx Zoo (another option if you're lusting over Mariah's sunnies)! Check out our fave Instagram snaps of celebs celebrating the holiday above: