Singer Whitney Houston, who died on February 11, 2012, is shown on a video screen in a 1994 Grammy performance during the 54th annual Grammy Awards in Los Angeles, California, February 12, 2012. (Reuters)

Members of the audience applaud as singer Whitney Houston, who died recently, is shown on a video screen in a 1994 Grammy performance during the 54th annual Grammy Awards in Los Angeles, California, February 12, 2012. (Reuters)

Flowers and a card are seen at a makeshift memorial in front of The New Hope Baptist Church, where Whitney Houston sang in the choir, to mourn the death of the singer in Newark, New Jersey February 12, 2012. Houston, whose soaring voice lifted her to the top of the pop music world but whose personal decline was fueled by years of drug use, died on Saturday afternoon in a Beverly Hills hotel room. She was 48. (Reuters)

Messages are left for Whitney Houston at a makeshift memorial in front of The New Hope Baptist Church, where Houston sang in the choir, to mourn the death of the singer in Newark, New Jersey February 12, 2012. (Reuters)

Civil rights leader Reverend Jesse Jackson speaks with the media outside The New Hope Baptist Church where Whitney Houston sang in the choir to mourn the death of the singer in Newark, New Jersey February 12, 2012. (Reuters)

Flowers and a card are seen left as a memorial to deceased singer Whitney Houston, in front of the New Hope Baptist Church, where she sang in the choir, in Newark, New Jersey February 12, 2012. (Reuters)

Parishioners of The New Hope Baptist Church where Whitney Houston sang in the choir leave after a morning service in Newark, New Jersey February 12, 2012. (Reuters)

People gather at a makeshift memorial on the corner of Santa Monica and Wilshire Boulevard to mourn the death of singer Whitney Houston in Beverly Hills, California February 12, 2012.

Mourners gather at a makeshift memorial on the corner of Santa Monica and Wilshire Boulevards as they mourn the death of singer Whitney Houston in Beverly Hills, California February 12, 2012. (Reuters)

L’tanya Smith and Ronald Malone of Los Angeles embrace as people gather at a makeshift memorial on the corner of Santa Monica and Wilshire Boulevards to mourn the death of singer Whitney Houston in Beverly Hills, California February 12, 2012. (Reuters)

Parishioners of The New Hope Baptist Church where Whitney Houston sang in the choir leave after a morning service in Newark, New Jersey February 12, 2012. (Reuters)