Tori Spelling
When Tori Spelling and Dean McDermott met, they instantly fell in love. The problem was that they were both already married, she to actor Charlie Shanian and he to actress Mary Jo Eustace. They began their affair with each other the night that they met. They divorced their respective spouses and months later, she and McDermott were married. They have five children together.
Dwyane Wade
Dwyane Wade and Gabrielle Union have been married since 2014. Before that, he was married to his high school girlfriend since 2002. They split up in 2007 and officially divorced in 2010. He and Union began dating in 2008, so while they were not really having an affair, he was still not technically divorced when they got together.