Universal Studios and Focus Features are definitely keeping casting a mystery to fans. However, when it comes to other details about the film, the production studio is quite open. With regards to the "Fifty Shades of Grey" official soundtrack, it looks as if British singer, Jessie J is up for the work.

Sam Taylor-Johnson has officially signed on as the director for "Fifty Shades of Grey" slated for an August 2014 release. Sadly, no other details about the cast let alone auditions have been mentioned. Everyone is still pretty much guessing who among Hollywood's hottest would nab the role of Christian Grey and Anastasia Steele.

While casting is still a complete mystery, the soundtrack for the film sure won't be. According to Mstarz.com, "Domino" singer Jessie J is recording new music for the "Fifty Shades" film. 26-year old Jessie J says she's aiming for a sexy and mature sound. Will it be all that fans are hoping for?

"I could do the song for the '50 Shades' film. Who knows, why not?" states Jessie J in an interview with the Daily Star.

"I'm 25 now and I was 18 when I wrote my first album. So however much I love Price Tag I feel a bit childish singing it now. And that's okay to say... I just live my life and I like to write songs about things I've lived. So I try to make my life as exciting as possible. Mistakes make great songs so it gives you an excuse to make them. I like to be as honest as possible and that's the most honest and sane way to be. My fans are just like me expect I like to sing," continue Jessie.

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