Poll: The Worst American Idol Guest Appearance
The American Idol finale certainly had star power. Mike Myers, Seal, Donna Summer, Jimmy Kimmel, Bryan Adams, ZZ Top, The Jonas Brothers, OneRepublic, Jordin Sparks, Ben Stiller, Robert Downey Jr., Jack Black, Gladys Knight, Carrie Underwood, and George Michael all made appearances or sang on the show, but some of the people who performed were not good, namely The Jonas Brothers and OneRepublic. Watch their performances after the jump, then vote on who you think would be eliminated first if they had been competing on Idol.
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