Rachel Williams began modeling in when she was 21, doing significant fashion magazine work from 1988-1992. She appeared in and on the covers of Elle Magazine, Vogue, Cosmo and the J. Crew catalog as well as advertising campaigns for Absolut vodka, Calvin Klein and Revlon. She posed for Playboy in 1992 and Penthouse in 1995.
She was the subject of a bitter lawsuit battle over her being lured away from Click Model Management by Christy Turlington to change her management contract over to Ford Models, which managed Turlington.
"The simplicity of the story is what makes it really beautiful. Here are two people who respect each other and have an attraction based on their life and their lifestyle. They have a lot of time to be with each other (sharing a flat in London). They've created a life together. Rachel has no problem with the fact that she's with Alice. 'I never thought to hide it,' the megamodel known as The Amazon shrugged in coming out of the fashion closet to shocked headlines. 'I've had flings with women before, though my long-term relationships have always been with men. I was pleasantly surprised when I fell for Alice!'"
Williams also stated in 1995 on the short lived late night talk show, Lauren Hutton and... that she was bisexual and "...can have fun with either gender."
She appeared in Strangers with Candy in the episode Yes You Can't (2000) as Dr. Rachel Williams, Supermodel