Britney Coked Up For 72hrs Straight

Britney's first hubby, Jason Alexander, is really spilling the beans now.

He just confessed that the two of the celebrated the New Year of 2004 by partying for 72 hours straight and he's worried she'll end up like Anna Nicole Smith:

"We used ecstasy at night to party and cocaine during the day to stay awake. Then we would take downers like Valium to come down and rest. Britney stayed up three days straight over New Year. I couldn't keep up.

She definitely had a problem with drugs when we were together - and that was three years ago."

Alexander says of her most recent actions:

"It freaked me out when I saw she had shaved off her hair - that was clearly a cry for help. The pictures have become increasingly disturbing. I have never said anything about Britney and drugs before but I am very, very concerned about her. I am really worried that she will wind up like Anna Nicole Smith and be found dead."

He adds, "She needs to knock herself down from the pedestal she thinks she is on and remember that she's just an old country girl. She needs a break from Hollywood. Her problem is she doesn't feel anyone wants her for herself - only for who she is."

The two were married for 55 hours when the marriage was annulled.