Each has lent their expertise and guidance to the contestants to help them ... Harry Connick Jr. became a judge for American Idol on season 13, sitting alongside Keith Urban and Jennifer Lopez.

Feb. 13 (UPI) --Katy Perry is leaving American Idol after the show's upcoming 22nd season. The singer and television personality announced her final season on the singing reality competition ...

Beginning in the semi-final stage ... If season 21 follows season 20's 13-week format, the season 21 finale of "American Idol" should air on May 14 at 8 p.m. ET on ABC. Jordan Williams is a ...