Kelly Clarkson graced the stage of American Idol for the very last episode ever, returning to the stage where it all began for her ... only, she wasn't actually there.
Kelly Clarkson admits that she often has to hold back tears while performing the autobiographical "Piece by Piece," which is about her relationship with her father.
Since the show's first season in 2002, Hollywood Week has served as an equalizer of the show's initially-passable talent — relive ten standout moments from seasons past.