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Carrie Underwood is set to perform on American Idol's huge televised benefit, Idol Gives Back on April 21st, along with Alicia Keys, The Black Eyed Peas and Annie Lennox.

It won't be the first time Idol's most successful contestant has returned to the stage that rocket-launched her career. In addition to appearing on the show to perform her hits, she's also participated in every benefit since it began in 2007.

In the past, Idol Gives Back has raised more than $140 million dollars. Proceeds this year will go to Children's Health Fund, Feeding America, Malaria No More, Save the Children's U.S. Programs and the United Nations Foundation.