Whitney Houston's Cause of Death: Drowning? [PHOTOS]

The singer's cause of death may have been resolved, but is it a reliable or not? Sources are adamant that Whitney Houston died of drowning due to a mix of anti-depressants and alcohol.

According to Rolling Stone magazine's website, the legendary vocalist, who died Saturday, Houston's cause of death might have been drowning. In a report by TMZ, Houston's hairdresser found the singer face-down on her hotel bathtub after getting worried that the singer has been there for an hour.

It was also reported that the iconic Houston was currently taking Xanax and other prescription pills and alcohol before she slipped on her shower and drowned to her untimely death. According to TMZ, the dangerous mix of the substances might have caused her to slip at the back of tub into the pool of water.

It was also said that one of her bodyguards "attempted" to perform CPR on the singer in hopes that she will revive consciousness after she was found unconscious in the bathroom. Houston was proclaimed dead at 3:55 AM.

View the photos to take a look back at Whitney's eventful and successful career. 

Whitney Houston performs at the Pre-Grammy Gala & Salute to Industry Icons with Clive Davis honoring David Geffen held in Beverly Hills, Calif., on Feb.12, 2011, almost a year to the day before her tragic death on Saturday.

A funeral service for Whitney Houston was held at the New Hope Baptist Church in New Jersey on Saturday. Houston died on Feb. 11. The cause of death is currently unknown.

Bobby Brown was the man at the center of Whitney Houston's life for 14 years. Now, rumor has it that Bobby Brown might release a tell-all book on his relationship with Whitney Houston.

Whitney Houston poses with her Grammy after she was named Best Pop Vocal Performer - Female at the 30th annual Grammy Awards at New York's Radio City Music Hall in this March 2, 1988 file photo. Singer and actress Whitney Houston, winner of six Grammy Awards including record of the year for "I Will Always Love You" and album of the year for "The Bodyguard," has died at age 48, a spokeswoman for the singer said on February 11, 2012.

American singer Whitney Houston performs on stage at Wembley Arena in London.

Bobby Brown claimed he lived in his car while paying about $10,000 for Whitney Houston and Bobby Kristina to stay in a hotel during his separation from his ex-wife who was allegedly going through rehab at the time.

Former boxing great Muhammad Ali is given the Courage Award by singer Whitney Houston at the GQ Men of the Year awards show on Oct. 21 in New York. Ali was among a group of 16 men of distinction selected by the readers of GQ magazine.