'Idol' Rebooted: Five Changes in Season 10

For the 10th season of 'American Idol,' it's back to the beginning, with new judges Jennifer Lopez and Steven Tyler; the return of the show's original executive producer Simon Lythgoe; and a renewed emphasis on the program's original mission -- finding the next music superstar.

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Heidi Klum David Schwimmer Christina Aguilera Courteney Cox Kim Kardashian