That's not to say Miller was completely oblivious to the R-rated film world. She married raunch-film extraordinaire Seth Rogen a year ago in October after seven years of dating. Having appeared in four of Rogen's films (and Rogen appears in "Good Time" in a cameo), Miller was more than familiar with R-rated dialogue.

"There were times during the writing process where I would write some things that Katie couldn't believe that I had written," Miller said, laughing.

"Yeah, Lauren could come up with some dirty things," Naylon added. "I would look at what she had written and go, 'Whoa, whoa, whoa!'"