The list is getting long for the celebrities who are reading extremely popular novel "Fifty Shades of Grey."

"Hotel Transylvania" actress Fran Dresher recently said she was a fan of the books, and has an idea of which actor should play Christian Grey.

"They say that he's got copper hair and gray eyes, but if I had to pick someone, I would probably cast Jake Gyllenhaal," Drescher told CNN.

"I think he's kind of the right age and very sexy and he's got a good body and, you know, the guy is like in his 20s, but he's so powerful and rich and dominant."

The "Fifty Shades" trilogy ("Fifty Shades of Grey," "Fifty Shades Darker," "Fifty Shades Freed"), written by bestselling author E.L. James, tells the story of 22-year-old recent college grad Anastasia Steele, who enters into a dominant/submissive sexual relationship with 27-year old sexy billionaire Christian Grey, and both explore Christian's world of BDSM while trying to understand their complicated relationship.

Gyllenhaal, 31, is best known for movies such as "Brokeback Mountain" and "Love and Other Drugs." He stars in the upcoming movie "End of Watch" with Michael Pena.

Maybe other fans might see him as Christian Grey.

Another celebrity added to the list is "Hangover" star Heather Graham, who will soon be seen on the big screen playing porn director Margaret alongside Dev Patel and James Franco in "About Cherry."

According to Access Hollywood, Graham did a lot of research for the role, and would describe the porn her character films as "vanilla," thanks to knowledge she gleaned from reading E L James' erotic "Fifty Shades" trilogy.

"I thought ['Fifty Shades of Grey'] was fun. Like, it's silly, but it's fun, and I think it's cool that women are reading about sex," she said. "Why shouldn't women have their sexual fun reading this book?"

She added, "I read all three!"

Other stars that read and are "in love" with the books are "Real Housewives of Miami" star Joanna Krupa, 33, who was recently caught reading "Fifty Shades of Grey." She was in a pink bikini reading the steamy novel in the open with her fiancé Romain Zago at Miami Beach, according to Daily Mail.

Victoria Beckham recently admitted she's absolutely hooked on the sexy novel.

The former Spice Girl claimed she never read a book but, thanks to E.L. James' raunchy S&M novel, it seems as if she decided to brush up on her reading skills, according to Entertainment Wise.

"I'm halfway through the second one... I even bought my mum the book!" Beckham told Glamourmagazine.

"Twilight" star Kristen Stewart has finally admitted she read the book, according to Hollywood Life.

"I'm reading it man," Steward said in an interview with Moviefix in Australia.

According to Complex, there are ten pictures of celebrities who are caught reading the book, including Selena Gomez, Eva Longoria, Ashley Benson, Shay Mitchell, "Mob Wives" Drita D'Avanzo, Gilbert Gottfried, Chris Hemsworth, Charlize Theron, and Ellen Degeneres.

Added to this long list are stars Hillary Duff, Ryan Seacrest, Ashley Benson, Lucy Hale, "One Direction" star Niall Horan, Angelina Jolie, Ian Somerhalder, and Alexander Skarsgard.

According to Entertainment Wise, "X Factor" judge and singer Tulisa Contostavlos was eager to have her say on who should play the much coveted role of Christian. She thought "Dark Knight" and "Lawless" actor Tom Hardy should play the sexy billionaire.

Click HERE to see who the front-runners are this week for Christian and Ana.

Click HERE to vote for Anastasia Steele!

Click HERE to vote for Christian Grey!

Vote for your favorite couples to play Ana and Christian HERE!

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'Fifty Shades of Grey' Author E.L. James: Sex Scenes Inspired by Classical Music; Husband Not Happy With Christian Grey [VIDEO]