"I'm in The Program, and I'm proud to be. The discipline of [it] has helped me in other parts of my day-to-day life," said the supermodel, whose alcoholism and drug addiction has led to some nasty fights and subsequent legal trouble. She discussed her issues with cocaine at length with Oprah Winfrey in May 2010. "I wish I knew about it earlier. But I found out about it when I did, and life is good. Some people can handle a drink or a line of cocaine, but I've come to realize that, for me, it's all or nothing -- and it has to be nothing."