Jennifer Hudson performs at the "We Will Always Love You: A Grammy Salute To Whitney Houston," television special at Nokia Theatre in downtown Los Angeles October 11, 2012. The one-hour special celebrating Houston's life and work will be broadcast on November16, 2012 on CBS. AFP PHOTO / Robyn Beck (ROBYN BECK/AFP/GettyImages)

Britney Spears speaks on stage.

Britney Spears speaks on stage at the "We Will Always Love You: A Grammy Salute To Whitney Houston," television special at Nokia Theatre in downtown Los Angeles October 11, 2012. The one-hour special celebrating Houston's life and work will be broadcast on November16, 2012 on CBS. AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/GettyImages)

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Actress Halle Berry speaks on stage at the "We Will Always Love You: A Grammy Salute To Whitney Houston," television special at Nokia Theatre in downtown Los Angeles October 11, 2012. The one-hour special celebrating Houston's life and work will be broadcast on November16, 2012 on CBS. AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/GettyImages)

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at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

Usher performing

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

Jennifer Hudson

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

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at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

Halle Berry

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

Halle Berry

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

Yolanda Adams, CeCe Winans

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

Yolanda Adams, CeCe Winans at We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

Taraji P. Henson at We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

L.L. Cool J

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

L.L. Cool J at We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

Clive Davis at We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

Britney Spears

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.

We Will Always Love You: A GRAMMY Salute To Whitney Houston

at a taping of We Will Always Love You: A GRAMMY Salute To Whitney Houston on October 11, 2012 at the Nokia Theatre L.A. LIVE in Los Angeles, California. The show airs November 16, 2012.