JUST ADDED: 5 Seconds of Summer will be rocking the stage at this year's iHeartRadio Music Festival Village in Las Vegas! The band sat down with Ryan Seacrest to break the news. Click here to buy your tickets now, before they sell out!
John Stamos, Bob Saget and Dave Coulier reunited for a game of “Full House” trivia on Wednesday's "Good Morning America."
While Coulier and Saget tried to play the quiz show earnestly, Stamos’ response to every question was “Rihanna!” who had hilariously photobombed the guys before their segment (photo below).
Check out the "Full House" guys on 'GMA' below!