Uncle Jesse is officially OFF the dance floor. John Stamos, the beloved 'Full House' star, has definitively stated he'll 'never' join 'Dancing With the Stars.' Despite reportedly being asked 'every single season,' Stamos told Page Six he's issued a firm ultimatum to producers: 'Don't ever ask me again.' His reasons remain shrouded in mystery, but fans are buzzing about this surprising rejection from the seemingly ageless heartthrob.