She played a variety of characters, including Squiggy's two-timing girlfriend Barbara, on Laverne & Shirley. She appeared on an episode of the television series Night Court as Vanna Anders. She had a small part in the 1973 film American Graffiti as Bobbie, who drove the car of girls who pick up Curt ( Richard Dreyfuss) in one scene.
Stewart played several different nurses on the television series M*A*S*H. Stewart was a member of The Groundlings in the 1970s, and met both Paul Reubens and Phil Hartman there. Stewart was born in Los Angeles, California.
She originated the role in the 1981 stage show The Pee-wee Herman Show, continuing it on the CBS television show Pee-wee's Playhouse, the 2010 Los Angeles stage revival, and the Broadway production which opened in November 2010 at the Stephen Sondheim Theatre. Lynne Marie Stewart (born December 14, 1946) is an American actress, widely known for her performance as Miss Yvonne, the Most Beautiful Woman in Puppet Land.