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Singer Britney Spears speaks at a taping of "We Will Always Love You: A Grammy Salute To Whitney Houston" on Oct. 11, 2012, at the Nokia Theatre L.A. LIVE, in Los Angeles. The show airs Nov. 16, 2012, on CBS.
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Yolanda Adams, left, and Cece Winans perform at "We Will Always Love You: A Grammy Salute to Whitney Houston," at Nokia Theatre on Oct. 11, 2012, in Los Angeles. The one-hour concert tribute will air on CBS on Nov. 16.
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Actress Halle Berry walks onstage at "We Will Always Love You: A Grammy Salute to Whitney Houston," at Nokia Theatre on Oct. 11, 2012, in Los Angeles.
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Singer Usher performs at a taping of "We Will Always Love You: A Grammy Salute To Whitney Houston" on Oct. 11, 2012, in Los Angeles.
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LL Cool J speaks at "We Will Always Love You: A Grammy Salute to Whitney Houston," at Nokia Theatre on Oct. 11, 2012, in Los Angeles. The one-hour concert tribute will air on CBS on Nov. 16.
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Jennifer Hudson performs at "We Will Always Love You: A Grammy Salute to Whitney Houston," at Nokia Theatre on Oct. 11, 2012, in Los Angeles. The one-hour concert tribute will air on CBS on Nov. 16.
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Jennifer Hudson at the "We Will Always Love You: A Grammy Salute To Whitney Houston," television special at Nokia Theatre in downtown Los Angeles Oct. 11, 2012.
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Music producer Clive Davis speaks at a taping of We Will Always Love You: A Grammy Salute To Whitney Houston on Oct. 11, 2012, at the Nokia Theatre L.A. LIVE in Los Angeles.
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Record producer and music industry executive Clive Davis, bottom left, speaks underneath a photo of himself with singer Whitney Houston at "We Will Always Love You: A Grammy Salute to Whitney Houston" on Oct. 11, 2012, in Los Angeles.
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Usher performs at "We Will Always Love You: A Grammy Salute to Whitney Houston," at Nokia Theatre on Oct. 11, 2012, in Los Angeles.
Chris Pizzello/Invision/AP
Singers Yolanda Adams and Cece Winans, bottom right, look up to an image of singer Whitney Houston after their performance at "We Will Always Love You: A Grammy Salute to Whitney Houston," at Nokia Theatre on Oct. 11, 2012, in Los Angeles. The one-hour concert tribute will air on CBS on Nov. 16.
Chris Pizzello/Invision/AP
Britney Spears walks onstage at "We Will Always Love You: A Grammy Salute to Whitney Houston," at Nokia Theatre on Oct. 11, 2012, in Los Angeles.
Kevin Winter/Getty Images
Singer/actress Jennifer Hudson performs at a taping of "We Will Always Love You: A Grammy Salute To Whitney Houston" on Oct. 11, 2012, at the Nokia Theatre L.A. LIVE in Los Angeles.