Carrie Underwood, Alicia Keys to Perform on Idol Gives Back

Credit: Alexander Tamargo/Getty Images; Jamie McCarthy/WireImage for Niche Media

Carrie Underwood is returning to the American Idol stage.

The singer, 27, will perform on Idol Gives Back, which airs April 21. Alicia Keys, The Black Eyed Peas and Annie Lennox are also slated to hit the stage.

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The charity show has raised more than $140 million. This year, funds will go to Children's Health Fund, Feeding America, Malaria No More, Save the Children's U.S. Programs and the United Nations Foundation.

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An Idol will be voted off at the end of the show. (In years past, they got a free pass.)

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President Barack Obama, Brad Pitt, Reese Witherspoon, Miley Cyrus, Eli Manning, Mariah Carey and Gwen Stefani are among the boldfaced names who have been involved in prior years.