Jennifer Lopez vs. Steven Tyler! Who's Who?

Who's the bigger diva? Which wears feather earrings? Who cried over a contestant? See if you can tell the difference between the American Idol judges

  • Who had to cancel tour dates because of their diva behavior?

CREDIT: Jason LaVeris / FilmMagic; Jean Baptiste Lacroix / WireImage

Published: Tuesday April 05, 2011 06:00 AM EDT By: Janet Mock

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Who had to cancel tour dates because of their diva behavior?

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