In the book "50 Shades of Grey," Anastasia Steele is Christian Grey's object of affection. Since the casting for Christian Grey is currently one of the most talked about, Pinterest did a poll on who fans think should play as Mr. Grey's obsession.

It's probably one of the most talked about and much speculated casting. Since it has been announced that "50 Shades of Grey" will be adapted into a movie, fans and new followers of the book remain to be in craze on who should play as the male and female protagonist of E.L. James' novel.

There have been a lot of rumors as to who should play the highly controversial character of Christian Grey. And the same can be said of the books heroin, Anastasia Steele.

As the book describes Ana, she has pale skin with long dark hair and blue eyes too big for her face. So fans are on the lookout for actresses who look like the part.

Much to the dismay of fans, there hasn't been any new details about the progress of the film. As it is crucial for the producers to determine who they should pick for the main casts, it is a promise of success for the chosen leads since it guarantees instant fame and popularity. Comparable to the amount of success Kristen Stewart and Robert Pattinson had when "Twilight" was released.

So from Selena Gomez, Lily Collins to Anne Hathaway, who are the other actresses who could play as the 21-year-old virgin who captured the heart of Christian Grey?

Also read:

'Christian Grey' is Matt Bomer: Magazine Cover, True or Hoax?

Pinterest Poll: Top 8 Guys Who Should Play as Christian Grey in 'Fifty Shades of Grey' Movie [PHOTOS]

Anne Hathaway

Cast member Amanda Seyfried poses for photographers to promote her latest movie "In Time" in Paris November 4, 2011.

Cast member Emilia Clarke attends the HBO panel for the television series "Game of Thrones" during the Television Critics Association winter press tour in Pasadena, California January 7, 2011.

Lily Collins as Anastasia Steele

Leighton Meester for Marie Claire

Rachel McAdams -- Bachelor's degree from York University

Selena Gomez

Emma Watson, who is studying at Oxford University in her native England, can be seen in the film "My Week With Marilyn."

Felicity Jones

Nina Dobrev as Anastasia Steele