Laurie Beebe Lewis (born Laurie Seaman; November 5, 1954, Ludington, Michigan) is an American singer-songwriter. At age 14 she was the female lead singer of the Saginaw, Michigan cult-underground band Pitche Blende, a featured band on The Michigan Mixture Volume 1 album. She is most associated with her affiliation as the keyboard player and vocalist with Chicago's reformed group The Buckinghams from 1982 to 1985; and as lead singer in the reformed group The Mamas & The Papas from 1986 to 1993 with original members John Phillips and Denny Doherty, along with Spanky McFarlane.
