Amanda Seyfried's Hottest Hookups
The Mamma Mia! costars dated on-and-off from 2007 to 2010. "We still joke about having kids, like, 'If it doesn't work out with other people, we might as well just have a child,'" Seyfried told Glamour in 2012. "And there's a part of that that feels. . . possible."