Karissa Shannon

She is part of the Shannon Twins . Karissa Shannon is an American glamour model, nude model, actress, and porn star. She and her twin sister Kristina Shannon were Playboy Playmates in 2009. In 2008, Karissa and Kristina moved into the Playboy Mansion as two of Hugh Hefner’s new girlfriends. They began appearing on the reality series The Girls Next Door along with Crystal Harris.