Sometimes referred to as the other Hollywood, the worlds of adult entertainment and mainstream Hollywood have always been clearly divided. You may occasionally get a Ron Jeremy or Sasha Grey who can transition into a semblance of a mainstream acting career, but often they will not be household names. At most, some will transition into the world of the B-Movies or cult classics (such as stars like Traci Lords). But there are a few rarities who started in adult entertainment and managed to transition into a successful career in the mainstream. The following 10 celebrities are among those select few.