Mackenzie Phillips was once at the top of the world starring on the hit sitcom One Day At A Time, but a serious drug and alcohol took that life from her.  Now she is revealing everything about her troubled youth in a new tell all book where she reveals that she had a sexual relationship [...]

Mackenzie Phillips, the former star of One Day At A Time whose career was derailed by drug abuse, has been arrested at LAX for possession of cocaine and heroin.