Which 'Mike and Dave need Wedding Dates' star has the filthiest mouth?

Zac Efron and Adam DeVine, the leads of new R-rated comedy film 'Mike and Dave Need Wedding Dates,' revealed that Aubrey Plaza have the "filthiest mouth."

In a recent interview DeVine said, "Aubrey has a pretty dirty, a foul tongue," reports E! Online.

"I thought you were going to say me but I don't think that's true," she replied.

But the 28 year old 'High School Musical' star added to DeVine's comment saying, "I think on the bloopers, you had, you had the most.