The hardcore industry has many fascinating and epic tales of how its stars got their starts, and Whitney Stevens has a real zinger of an origin story. When she was 19, her 21-year-old sister Britney Stevens suggested they both go into porn together. Britney set up a meeting with an agent and scored the two of them starring roles in a threesome with Sledge—obviously the two sisters didn’t have sex with each other, but instead double teamed that lucky fucker. Whitney did 7 more scenes,...