Relive some of the best (and worst!) auditions from the series.
Simon Cowell
Self
Sharon Osbourne
Louis Walsh
Kate Thornton
Presenter
Selena Gomez: My Mind & Me
Michael Jackson: The Life of an Icon
Katy Perry: Part of Me
The Velvet Underground
Justin Bieber's Believe
Rolling Thunder Revue: A Bob Dylan Story by Martin Scorsese
Bad 25
The Last Waltz
