Keep your mini-me ahead of the style curve in Forever 21 Girl's Clothing. Explore our adorable selection of outerwear, dresses, jeans, skirts, tees, and more!. Billie Piper in The Secret Diary Of A Call Girl . too casual; there are girls who've been forced to change because they're wearing jeans, even if they're skintight. Prostitution is the business or practice of engaging in sexual activity in exchange for payment. In escort prostitution, the act may take place at the client's residence or hotel room . A streetwalker solicits customers on the streets or in public places, while a call girl makes appointments by phone, Jump up ^ Jean-Michel.