The Mamas & The Papas Singer Michelle Phillips 'Memba Her?!

West Coast artist Michelle Phillips was only 22 years old when she shot to fame as the harmonizing hottie and one-fourth of the folksy band The Mamas & The Papas ... who blasted into the ears of millions with their debut album "If You Can Believe Your Eyes and Ears" ... which included the classic singles "California Dreamin'," "Go Where You Wanna Go" and "Monday, Monday."

Michelle was joined in the supergroup by her then-husband, John Phillips, Canadian singer Denny Doherty ... and of course the iconic Cass Elliot aka Mama Cass.