About America's Got Talent Season 8, Episode 21 : Semifinals, Week 1 Results

The votes are in and six acts from the previous night's performance show move on to the next round of competition. Nick Cannon hosts this variety competition series which features a colorful array of performers hoping to be named the most talented act in America. Guest Stars: Collins Key, Cassadee Pope, Liam Payne, Harry Styles, Niall Horan, Zayn Malik, Louis Tomlinson,