Jill Gibson time when the leader of the group, John Phillips, fired his wife, Michelle Gilliam Phillips, from the band on Saturday, June 4, 1966, for having had an affair with Gene Clark of The Byrds. Instead of the group breaking up, they asked Jill Gibson to join The Mamas & the Papas as their newest member "Mama Jill". Shortly after joining the band, The Mamas & the Papas, along with Lou Adler, left for Europe for several weeks to begin working together. Arriving in London, England, Gibson, Cass Elliot, John Phillips, Denny Doherty, and Lou Adler rented the top half of
The Mamas & the Papas McKenzie (1939–2012). In 1991, Mackenzie Phillips was replaced by Laurie Beebe Lewis, a former vocalist with the Buckinghams who had earlier (1986–1987) temped with the band when Mackenzie Phillips was pregnant. John Phillips dropped out after a liver transplant in 1992 and Doherty returned. Lewis and McFarlane left in 1993, to be replaced by Lisa Brescia and Deb Lyons. The band continued to perform with varying line-ups, including Barry McGuire (1997–1998) and the recovering Phillips, until 1998, by which time, according to one critic, "the jingle singers who sang those fabulous Cass, Michelle, John, and Denny parts were an aural