Mr. Pop History – (Mamas and Papas) Yes. Singer/songwriter John Phillips lived life in the fast lane for sure. He divorced Michelle in May of 1970 and she married his friend – actor Dennis Hopper almost immediately. Before this divorce – he was dating a lady by the name of Genevieve Waite. She was a “B” actress and at that time – and was supposed to be in a movie written and produced by John Phillips called “Byron & Shelley.”