John Stamos celebrates turning 63 with a thirst trap that has fans saying 'have mercy'

John Stamos is celebrating his birthday with a steamy mirror selfie.

The 63-year-old "Full House" star took to Instagram to celebrate his birthday with a mirror selfie featuring him in his birthday suit, which he captioned, "63."

Fans went wild in the comments section, with many making references to his character in the popular '90s sitcom, Uncle Jesse.

While his phone blocked his face, the black-and-white photo showed off Stamos' toned abs and gave fans a peek at the tattoo on his left shoulder.