Howard Wise/JPI Studios
Howard Wise/JPI Studios
Howard Wise/JPI Studios

Most of the population seems to love former “” star (Ex-Blackie), but perhaps not quite as much as “’s” co-host . The actor, who’s also known as Uncle Jesse from the 1980s sitcom “,” will be appearing on the Friday, July 25 episode of the talk show, and co-host surprised Underwood with the news during a recent taping of a promo shot. Check out her hilarious reaction here, and don’t forget to catch Stamos’ appearance this Friday!