William Hung was one of the first viral American Idol stars, made famous by his notoriously bad (but also endearing) audition singing Ricky Martin's "She Bangs."
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So when Idol said goodbye Thursday night (April 7), they had to acknowledge the infamous celebrity. After a reunion of host Ryan Seacrest and original judging panel Simon Cowell, Paula Abdul and Randy Jackson, Hung shot out onstage to sing his famous audition song.