(November 5, 2016 - Source: Charley Gallay/Getty Images North America) more pics like this »
7. Lenny Kravitz & Nicole Kidman
After her divorce from Tom Cruise, Nicole Kidman briefly dated Lenny Kravitz, and the two became engaged during that time. Their relationship didn't last long and they broke up shortly after.

Fast forward to 2017 when Kidman acted alongsize Kravitz' daughter, Zoe, on Big Little Lies. She could have been her step-mom!