Here Are The Celebrities Who Married Their Third Party

Kristen Stewart

At the time of her affair, Stewart was dating Twilight Co-star Robert Pattinson. She was photographed with Rupert Sanders and it all went south from there. Pattinson and Stewart swiftly broke up due to the event and Stewart was quite regretful when looking back on everything: “Speaking very candidly, it was a really traumatic period in my early 20s that kick-started something in me that was a bit more feral.”