With the "Fifty Shades of Grey" film adaptation to hit the big screen by Valentine's Day of 2015, it can be surprising that the ordinary folk make up the fans club of the kinky and bestselling book. In fact, a number of celebrities are hooked on the erotica novel.

It cannot be denied that there are lots of top celebrities too who have fallen in love with its characters and have found the story highly interesting.

Check out the slideshow to learn more of the celebrity A-listers who are huge fans of the "Fifty Shades of Grey" books written by E.L. James. You'd be surely surprised with some of them who made it in the list!

Ian Somerhalder
Ian Somerhalder arrives at the 2014 People's Choice Awards in Los Angeles REUTERS/Kevork Djsnsezian
Host Ryan Seacrest
Host Ryan Seacrest speaks on stage during the American Idol XIII 2014 Finale in Los Angeles, California May 21, 2014. REUTERS/Mario Anzuoni