Add Yahoo as a preferred source to see more of our stories on Google. "I don't know when they're going to do it, but I know they're talking about it," Cher said of a third 'Mamma Mia!' film Despite ...

"I don't know when they're going to do it, but I know they're talking about it," the pop star says. You won't feel blue because somewhere in the crowd there's...Cher. The iconic singer, who just ...