LOS ANGELES/ NEWARK, NJ (Indiana's NewsCenter) - A Who's Who list of celebrities will gather for Whitney Houston's funeral Saturday.
Reports say Stevie Wonder, Alicia Keys and Houston's godmother Aretha Franklin will perform at the private service at the New Hope Baptist Church in Houston's hometown of Newark, New Jersey.
Kevin Costner, her co-star from the 1993 movie "the Bodyguard," is set to speak at the funeral.
Tyler Perry, Clive Davis, Dionne Warwick and Bobby Brown are also expected to be in attendance.
The superstar musician was found dead in her hotel bathtub Saturday afternoon at the age of 48.
ABC News has learned a variety of pill bottles were found inside Houston's room at the Beverly Hilton, where she was staying for a pre-Grammy party.
On Sunday the Los Angeles Coroner announced Houston's autopsy was complete. But it could be weeks before it is determined what killed her.
Houston dominated the music industry for many years, starting in the middle 1980s and coming to an abrupt end towards the late 1990s. During her chart topping years, she sold more than 55-million records and had multiple number one songs.
Houston also appeared in two successful movies, "The Bodyguard" and "Waiting to Exhale."
Her career came to an end when a she lost control do to a drug addiction. Houston admitted on many occasions to battling cocaine, marijuana and prescription medication addictions.
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