Cassia Riley (born October 27, 1980 in Los Angeles, California) is a model and was the Penthouse Pet of the Month for April 2005 and was Pet of the Year Runner-Up 2006. Miss Riley made her first appearance on the Howard Stern radio show in June 2005, her second appearance in June 2006, and her third appearance on December 11, 2006. Her boyfriend is former "House of Pain" frontman Everlast. In January 2006 she was rumored to have had relations with New York Yankees star Derek Jeter which she has denied on Howard Stern and in an interview with Chaunce Hayden for New York Magazine "Steppin' Out".