Nude Celebs: Katherine Waterston - When honors high school student Shirley (Katherine Waterston, daughter of Sam Waterston) becomes romantically entangled with Michael (John Leguizamo), the married father of one of her baby-sitting clients, she quickly recognizes the affair's potential for turning a profit. The enterprising Shirley soon sets up a teenage prostitution ring made up of school chums who she matches up with Michael's bored married friends, all under the guise of baby-sitting.