(1 of 12) American Idol Gives Back: The ShowAmerican Idol Gives Back is a celeb-studded event that raises money for charities around the world. Catch superstars like Mariah Carey, Miley Cyrus, John Legend and others perform for a cause on IDOL GIVES BACK on Wednesday, April 9. The Final 8 The final eight American Idol contestants perform on the IDOL GIVES BACK show.