John Stamos Marks 60th Birthday By Sharing Sweet Video With Son Billy: 'You Don't Look 60'

Have mercy! John Stamos is 60! The "Full House" alum took to Instagram on Saturday to ring in his milestone birthday by sharing a sweet video of an adorable conversation he had with his 5-year-old son Billy. "You don't look 60. You look baby," Billy exclaimed in the clip. On Friday, John also shared a series of photos and videos on Instagram, including a never-before-seen video of Tom Hanks dancing and singing at a previous party. That isn’t the only throwback video he’s sharing with fans! He also unearthed a clip of his “Full House” castmates celebrating him in 1989. In the video Bob Saget, Dave Coulier, Candace Cameron Bure and several members of the cast and crew singing him happy birthday. "Looking back on some of my favorite birthday memories over the years. Tomorrow is 60," he captioned the post.