Kristina Shannon and Karissa Shannon The Shannon twins celebrate their 21st Birthday at Vanity(00)

Kristina Shannon and Karissa Shannon The Shannon twins celebrate their 21st Birthday at Vanity(00)

Image gallery: Kristina And Karissa Shannon

Kristina Shannon and Karissa Shannon The Shannon twins celebrate their 21st Birthday at Vanity Karissa Shannon and Kristina Shannon Premiere of 'Somewhere' held The ArcLight Cinemas The Shannon Twins Open Up About Life After “Playboy, ”from Escaping L.A. to Finding God Again