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As investigators look into what killed pop superstar Whitney Houston, her death has cast a shadow over the Grammy Awards ceremony. The show's producers have scheduled a special tribute to honor the multi-grammy winner. Bigad Shaban reports from the red carpet.

Just hours before she was scheduled to perform Whitney Houston was found dead in a hotel room. According to Beverly Hills police the pop vocalist was pronounced dead on Saturday afternoon, February 11, but it was almost 11 hours after her death that the body was moved from the Beverly Hilton Hotel.

Singer Tony Bennett started the annual Clive Davis pre-Grammy gala with a song dedicated to Whitney Houston, who was set to perform that night on that very stage. Entertainment and music figures shared memories, thoughts and tears on the passing of the six-time Grammy award winner.

Fans of Whitney Houston gather outside the iconic Apollo Theater in New York City and share emotional memories about the singer who died at age 48.

Cell phone video of Whitney Houston's last performance before her death. Recorded on February 9, 2012, Houston performs "Jesus Loves Me" with Kelly Price. facebook.com/LIVEfromFrontRow

Singer Whitney Houston has died at a Los Angeles hotel at the age of 48. Her meteoric rise in the world of pop music was countered by her ongoing battle with drugs. CBS News' Bigad Shaban reports.