Helen Reddy

This Australian megastar had such Pet Rock-eriffic No. 1 smash hits as "I Am Woman," "Delta Dawn" and the lonely teen freak show "Angie Baby," that she almost single-handedly provided the soundtrack to the "me decade." Throw in Reddy's "Leave Me Alone" and "You and Me Against the World," and all you need to get the Tupperware party started is a copy of Erica Jong's Fear of Flying, a pair of Dittos jeans and an episode of Donahue.