Al Bowman, Whitney Houston’s former chauffeur, has revealed the depths that the legendary singer sunk to as she was gripped by her drug addiction.

Al Bowman claims that Whitney Houston was by far the worst behaved star he had in the back of his limo.

He claims to have driven the singer to run down ghettos to pick up crack from dealers and that the star had smoked crack in front of her daughter.

Al Bowman told the Daily Mirror: “I couldn’t believe my eyes, here was Whitney Houston in the back of my limo smoking crack with her six or seven-year-old daughter sat next to her playing with a doll, it was heart-breaking, out of control.

“I’ve driven some big stars over the years – Michael and Janet Jackson, Ozzy Osbourne, Motley Crue – but Whitney was by far the worst behaved.

“It was tragic to see. Here was this glamorous superstar adored around the world, but in the back of my car she was a rambling drug addict, a complete train wreck.

“It was so sad, I wanted to help her but she was just too out of control and wouldn’t listen to anyone.”

Al Bowman later added: “Their daughter Bobbi got into the limo with them. Then they would smoke crack right in front of her.

“Whitney would just say, <<Baby, Mommy and Daddy are doing adult things>>, it wasn’t anything major to her.”

Meanwhile it has been claimed that Whitney Houston binged on cocaine, alcohol and pills in her final months.

Insiders say that after months of sober living during 2011, Whitney Houston fell off the wagon.

A source told Star magazine: “The last three months of Whitney’s life were truly tragic.”

Whitney Houston was found dead in the bathtub of her Beverly Hilton hotel in Los Angeles on the eve of the Grammy Awards.

Eyewitness told Star magazine about Whitney Houston partying at Hollywood club Playhouse on January 2.

“Whitney got buck-wild. She drank cognac and champagne and seemed completely out of it from the moment she arrived until the moment she left at 2:30 a.m.”

The reports go on to detail her partying at the luxury Beverly Hills hotel, the Beverly Wilshire.

“Whitney was in a lounge chair drinking pina coladas all afternoon,” another eyewitness told the Star magazine.

“Once in a while, she would get on her cell phone and start screaming at someone. She seemed almost manic at moments and practically unconscious the next.”

Whitney Houston’s wild behavior continued right until her death

It has been claimed that those close to Whitney Houston, including her daughter Bobbi Kristina wanted her to seek treatment in rehab in the weeks leading up to her death, it has been reported.

An insider told RadarOnline.com: “Bobbi Kristina, Clive Davis, and members of Whitney’s closest advisers were urging her to go back to rehab because people close to her saw her downward spiral into drugs and alcohol.

“It was extremely hard for Clive in particular to see Whitney under the influence again. He was absolutely powerless to stop her. Clive and Whitney had a very close relationship, but her addiction to drugs and alcohol did a lot of damage to that.”

RadarOnline.com also claims that Clive Davis was willing to pay for the treatment but Whitney Houston is said to have refused the help.

CNN anchor Don Lemon claimed he saw Whitney Houston doing somersaults in the pool just days before she died – saying she had been drinking alcohol from as early as 10:00 a.m.

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