Whitney Houston is dead at age 48, and it will be some time before there's a definitive answer to exactly what happened on Saturday in that Beverly Hills hotel room.

FOX News Radio's Chris Hoenig has more:

As fans mourn Houston's death...

(Fan) "I feel like I lost a family member."

...it will be a while before details surrounding it will be known.  Houston was found in her 4th floor room at the Beverly Hilton hotel, and police say there are no obvious signs of foul play.  But an exact cause of the death - and the events leading up to it - will have to wait for toxicology results, which can take weeks.

People who saw her say Houston was disheveled and smelled of alcohol in the days leading to her death.  Houston had a very public battle with addiction for more than a decade.

Chris Hoenig, FOX News Radio.

As police search for the how and why, fans and celebrities alike are mourning the singer's death.

FOX News Radio's Chris Hoenig reports:

Many in the music industry were already in town when news broke of Houston's death, just one day before the Grammy's at the Staples Center in L.A.  Ex-husband Bobby Brown told a crowd in Mississippi that performing for them hours after her death was "the hardest thing" for him to do.  Elton John dedicated the song "Don't Let the Sun Go Down on Me" to Houston at his show in Las Vegas.  Actor Jon Voight was heartbroken...

(Voight) "We went through the tough times with her, and we were all praying for her and hoping she'd conquer this problem that she had, the addiction she had."

Even L.A. Mayor Antonio Villaraigosa paying tribute to Houston, saying her music inspired millions.

Chris Hoenig, FOX News Radio.

More celebrities are reacting to Houston's death on Twitter, including singer Mariah Carey:

"X-Factor" Judge Simon Cowell:

"American Idol" Host Ryan Seacrest:

Actress Goldie Hawn:

and singer Tony Bennett:

WATCH more on reaction to Houston's death where she got her start in Newark, NJ HERE:

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WATCH more on Whitney Houston's career HERE:

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