The legendary Whitney Houston has died, the singer’s publicist Kristen Foster told The Associated Press. She was 48 years old.

The cause of death is currently unknown. TMZ reports that she died at the Beverly Hilton hotel in Beverly Hills. Just days ago, she was seen with Monica and Brandy at rehearsals for Clive Davis’ pre-Grammy party.

Twitter was flooded with messages from her peers including Mariah Carey. “Heartbroken and in tears over the shocking death of my friend, the incomparable Ms. Whitney Houston,” wrote her fellow diva. “My heartfelt condolences to Whitney’s family and to all her millions of fans throughout the world. She will never be forgotten as one of the greatest voices to ever grace the earth.”

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