The mothers in two celebrity families with vastly diverse values switch homes (but not bedrooms) -- embarking on a journey like no other and revealing the various ways some controversial celebrities live their lives.
Rapper Coolio's girlfriend switches places with singer Mark McGrath's wife for a week.
Actor Alan Thicke's wife, Tanya, trades places with comic Gilbert Gottfried's wife, Dara.
Sisters Bristol and Willow Palin trade lives with mother-daughter duo Joan and Melissa Rivers.
Andy Dick's former love interest and Lorenzo Lamas' wife trade lives for one week.