Sara Jean Underwood in Playboy

Sara Jean Underwood is now on Playboy's Calendar girls joining Kristina and Karissa Shanon. This is a 2010 issue which is scheduled to be lunch few weeks from now. Underwood was born last March 26, 1984. She's one of the Americanmodel choose by Playboy as Playmate of the Month in July 2006 issue and she became the Playmate of the Year in 2007.