Known for her role in Transporter, where she partnered Jason Statham, Shu Qi used to do porn before she debuted in Hollywood.

Adam West, didn't get too many roles after the classic Batman series, so he turned to porn.

Helen Mirren used to do porn and starred in a lot of movies showing explicit nudity, when she was young.

Although there's barely any of it left, Cameron Diaz used to do porn shoots before she became a Hollywood star.

Sylvester Stallone first role was The Stud, in Party at Kitty's and Stud's, a porn movie from the 70s.

Kim Kardashian's fame rose drastically after her sex tape was released.

Stassi Schroeder's porn tapes she did before she reached celebrity level emerged soon after.

Leighton Meester, a famous actress and musician, also turned out to be an amateur porn star that might put many professionals to shame.

Jackie Chan started his movie career doing stunts for Bruce Lee. He needed money, so before he gained celebrity status, Jackie took part in a porn movie.

The actress who played Tyrion's crush in Game Of Thrones, Sibel Kekilli, started her movie career in 2004. Shortly after her porn works emerged, although it didn't hurt her career.

Randy Quaid shocked his fans by releasing his home sex tapes to public.

Tila Tequila, the Myspace poster girl quickly rose to celebrity rank. Soon after she tried to gain more notoriety starring in lesbian porn, but that didn't get her much attention.