2012 'American Idol' finale

LOS ANGELES, CA - MAY 23: Singer Carrie Underwood arrives at Fox's \"American Idol 2012\" Finale Results Show at Nokia Theatre L.A. Live on May 23, 2012 in Los Angeles, California. (Photo by Alberto E. Rodriguez/Getty Images)

LOS ANGELES, CA - MAY 23: Singer Scotty McCreery arrives at Fox's \"American Idol 2012\" Finale -Results Show at Nokia Theatre L.A. Live on May 23, 2012 in Los Angeles, California. (Photo by Alberto E. Rodriguez/Getty Images)

Finalists Phillip Phillips and Jessica Sanchez stand on stage during the 11th season finale of \"American Idol\" in Los Angeles, California, May 23, 2012. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)

Host Ryan Seacrest arrives on the stage during the 11th season finale of \"American Idol\" in Los Angeles, California, May 23, 2012. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)

From left, Steven Tyler, Jennifer Lopez and Randy Jackson appear onstage at the \"American Idol\" finale on Wednesday, May 23, 2012 in Los Angeles. (Photo by John Shearer/Invision/AP)

LOS ANGELES, CA - MAY 23: Finalist Phillip Phillips (L) and musician John Fogerty perform onstage during Fox's \"American Idol 2012\" results show at Nokia Theatre L.A. Live on May 23, 2012 in Los Angeles, California. (Photo by Mark Davis/Getty Images)

LOS ANGELES, CA - MAY 23: Singers Joshua Ledet (L) and Fantasia Barrino perform onstage during Fox's \"American Idol 2012\" results show at Nokia Theatre L.A. Live on May 23, 2012 in Los Angeles, California. (Photo by Mark Davis/Getty Images)

LOS ANGELES, CA - MAY 23: Singer Chaka Khan performs onstage during Fox's \"American Idol 2012\" results show at Nokia Theatre L.A. Live on May 23, 2012 in Los Angeles, California. (Photo by Mark Davis/Getty Images)

LOS ANGELES, CA - MAY 23: Singer Rihanna performs onstage during Fox's \"American Idol 2012\" results show at Nokia Theatre L.A. Live on May 23, 2012 in Los Angeles, California. (Photo by Mark Davis/Getty Images)

LOS ANGELES, CA - MAY 23: Singer Jessica Sanchez performs onstage during Fox's \"American Idol 2012\" results show at Nokia Theatre L.A. Live on May 23, 2012 in Los Angeles, California. (Photo by Mark Davis/Getty Images)

LOS ANGELES, CA - MAY 23: Singers Skylar Laine (L) and Reba McEntire perform onstage during Fox's \"American Idol 2012\" results show at Nokia Theatre L.A. Live on May 23, 2012 in Los Angeles, California. (Photo by Mark Davis/Getty Images)

LOS ANGELES, CA - MAY 23: Singer Neil Diamond performs onstage during Fox's \"American Idol 2012\" results show at Nokia Theatre L.A. Live on May 23, 2012 in Los Angeles, California. (Photo by Mark Davis/Getty Images)

Jennifer Lopez, center, performs onstage at the \"American Idol\" finale on Wednesday, May 23, 2012 in Los Angeles. (Photo by John Shearer/Invision/AP)

LOS ANGELES, CA - MAY 23: Singer Jordin Sparks performs onstage during Fox's \"American Idol 2012\" results show at Nokia Theatre L.A. Live on May 23, 2012 in Los Angeles, California. (Photo by Mark Davis/Getty Images)

LOS ANGELES, CA - MAY 23: Singer Ace Young (R) proposes to singer Diana DeGarmo onstage during Fox's \"American Idol 2012\" results show at Nokia Theatre L.A. Live on May 23, 2012 in Los Angeles, California. (Photo by Mark Davis/Getty Images)

Steven Tyler, left, and Joe Perry, of musical group Aerosmith, perform onstage at the \"American Idol\" finale on Wednesday, May 23, 2012 in Los Angeles. (Photo by John Shearer/Invision/AP)

Finalists Jessica Sanchez, left, and Phillip Phillips, center, listen as host Ryan Seacrest announces the winner onstage at the \"American Idol\" finale on Wednesday, May 23, 2012 in Los Angeles. (Photo by John Shearer/Invision/AP)

LOS ANGELES, CA - MAY 23: ***EMBARGO: This image is embargoed until 10:00PM PT/ 1:00AM ET*** Winner Phillip Phillips performs onstage during Fox's \"American Idol 2012\" results show at Nokia Theatre L.A. Live on May 23, 2012 in Los Angeles, California. (Photo by Mark Davis/Getty Images)