US-ENTERTAINMENT-WHITNEY HOUSTON TRIBUTE SPECIAL

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 (Photo credit should read ROBYN BECK/AFP/GettyImages)

US-ENTERTAINMENT-WHITNEY HOUSTON TRIBUTE SPECIAL

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 (Photo credit should read ROBYN BECK/AFP/GettyImages)

US-ENTERTAINMENT-WHITNEY HOUSTON TRIBUTE SPECIAL

Usher performs 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)

US-ENTERTAINMENT-WHITNEY HOUSTON TRIBUTE SPECIAL

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)

US-ENTERTAINMENT-WHITNEY HOUSTON TRIBUTE SPECIAL

Four-time Grammy winner Yolanda Adams (L) and 10-time Grammy winner CeCe Winans perform on stage during 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)

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

LOS ANGELES, CA - OCTOBER 11: Singer Britney Spears speaks onstage 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer/actress Jennifer Hudson performs 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Actress Halle Berry speaks onstage 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singers Yolanda Adams (L) and CeCe Winans perform 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer Usher performs 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer Usher performs 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer Usher performs 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer Usher performs 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer Usher performs 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer Usher performs 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Actress Taraji P. Henson speaks onstage 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Actress Taraji P. Henson speaks onstage 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Rapper/actor L.L. Cool J speaks onstage 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer Britney Spears speaks onstage 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer/actress Jennifer Hudson performs 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer/actress Jennifer Hudson performs 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer Britney Spears speaks onstage 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer Britney Spears speaks onstage 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer/actress Jennifer Hudson performs 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer/actress Jennifer Hudson performs 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer/actress Jennifer Hudson performs 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer/actress Jennifer Hudson performs 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. (Photo by Kevin Winter/Getty Images)

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

LOS ANGELES, CA - OCTOBER 11: Singer/actress Jennifer Hudson performs 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. (Photo by Kevin Winter/Getty Images)