Lynne Marie Stewart (born December 14, 1946) is an American film, stage, television and voice actress, best known for her performance as Miss Yvonne, the Most Beautiful Woman in Puppet Land. She originated the role in the 1981 stage show The Pee-wee Herman Show and on the CBS television show Pee-wee's Playhouse. She returned to the role in the 2010 Los Angeles stage revival and returned again to play the role in the Broadway production which opened in November 2010 at the Stephen Sondheim Theatre.