"Idol" Special Show

Robin Williams performs at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008. The charity event was taped Sunday night at the Kodak Theatre and is to air Wednesday night on Fox.

Annie Lennox performs at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008.

Fergie, left, does a cartwheel as she performs with musical group Heart at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008. At right is Ann Wilson. Fergie did two cartwheels during the performance of "Barracuda."

Miley Ray Cyrus performs at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008. Last year, "Idol Gives Back" raised $76 million; producers are hoping to top it this year.

This season's "American Idol" contestants perform at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008.

Snoop Dogg, right, and Charlie Wilson perform at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008. Among the beneficiaries are Children's Health Fund, Save the Children, and the Children's Defense Fund.

"American Idol" judges watch the action on stage during the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008. From left are Randy Jackson, Paula Abdul and Simon Cowell.

Comedian Sarah Silverman is seen on stage at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008. The evening featured taped messages from the three presidential candidates, Republican John McCain and Democrats Hillary Rodham Clinton, and Barack Obama.

Oscar-winning actress Reese Witherspoon waves as she walks on stage at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008.

Comedian Billy Crystal, right, and singer Miley Ray Cyrus joke on stage at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008.

Brad Pitt waves as he walks on stage at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008. His housing program for Hurricane Katrina victims in New Orleans is among the charities benefitting from the annual show.

Actor Brad Pitt doffs his hat to the audience at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008.

Grammy-winning singer Mariah Carey performs at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008.

Musician Sheila E performs at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008.

"American Idol" contestant David Archuleta is seen on stage during the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008.

Actor Robin Williams, left, and "American Idol" host Ryan Seacrest share a moment on stage at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008.

American Idol contestants perform at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008. From left are: Michael Johns, Kristy Lee Cook, Jason Castro and Syesha Mercado.

Gloria Estefan performs at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008.

Robin Williams, right, hugs Simon Cowell as Paula Abdul, left, looks on at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008.

Fergie performs at the "Idol Gives Back" fundraising special of "American Idol" in Los Angeles on Sunday, April 6, 2008. At right is Ann Wilson of Heart.