Despite the heat, thousands gathered at the Jersey Shore for Jason Kelce's annual celebrity bartending event. No one knows how to throw a party quite like Kelce — and no party is complete without a grand entrance by the host himself.

Philadelphia Eagles legend strips down to Speedo while serving drinks during the Eagles Autism Foundation fundraiser in Sea Isle.

He came out with a tall green chair and climbed to its peak. When he was balanced enough, the former Eagles center shocked fans by ripping off his American flag shorts, revealing the star-spangled banner underwear beneath. One fan was even seen swinging around the now discarded shorts.