Transcript for '50 Shades of Grey' Read by Celebrities
next throw. As you know, I'm -- I may talk sometimes about the book, "fifty shades of grey." Really? Just a little. Now, I feel validated because there's many, many celebrities out there who also, with a wink and a nod, are in on the joke. And picking up their own copies. Apparently now doing dramatic readings. I thought you were joking. Who will play the couple when the story hits the big screen? We tried to narrow it down for you. Take a look. Ellen, charlize, zach, they're all going gray. Some stars may try to keep it a secret. But many are proud and out loud about reading "fifty shades of grey." I know the book really well, actually. Reporter: It seems to be the latest trend. My inner goddess. Reporter: Comedians, celebrities, even sports stars doing dramatic readings of the book. ellen DeGeneres was a bit shy. And on the other hand -- I'm not going to say that. Reporter: And recently, mtv.Com got down and dirty with the cast of "snow white & the huntsman." I push him on the bed. My inner goddess roars? Reporter: Zach galifianakis and will ferrell, stars of "the campaign," seemed confused when they were asked to narrate. Turn around. Reporter: As for major league baseball's washington nationals? We love it. Are you smirking at me, mr. Grey? I am, miss steele. Reporter: With so many stars doing dramatic readings, hollywood is now buzzing about who will play the couple when it hits theaters. Rumors are flying faster than the silver tie. This week, it was ryan gosling would play mr. Grey. All are rumors at the moment. Yes, shouty capitals. But not to worry. Auditions already seem to be under way. I'm going to add some sound effects, if that's okay. We still have elizabeth
This transcript has been automatically generated and may not be 100% accurate.