This weekend, the highly-anticipated Fifty Shades of Grey will hit theaters, with the adaptation of E.L. James' novel currently tracking to debut with a $60 million opening weekend, which falls on Valentine's Day. Of course, Fifty Shades of Grey is the first installment of the novel trilogy, but Universal Pictures still hasn't announced any formal plans to adapt the author's follow-up books, Fifty Shades Darker and Fifty Shades Freed yet. However, director Sam Taylor-Johnson revealed during a fan screening in New York City over the weekend, alongside cast members Jamie Dornan, Dakota Johnson and E.L. James that both books will be adapted for the big screen, although we have no confirmation from the studio quite yet.

Fifty Shades of Grey will likely be the first blockbuster of 2015, so the news shouldn't come as too much of a surprise. Jamie Dornan and Dakota Johnson will surely be back as Christian Grey and Anastasia Steele, but no other cast members have been confirmed at this time. Fifty Shades of Grey was first published in 2011 and centers on the relationship of 27-year-old billionaire Christian Grey and college student Anastasia Steele. Fifty Shades Darker was also published in 2011, with Fifty Shades Freed rounding out the trilogy in 2012, which both explore the couple''s deepening relationship. The trilogy has been translated in over 50 languages worldwide and has sold over 70 million copies worldwide in e-book and print, making it one of the fastest-selling book series ever.

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In related news, Universal Pictures has released two more TV spots for Fifty Shades of Grey, which hits theaters nationwide on February 13. The supporting cast includes Jennifer Ehle, Luke Grimes, Victor Rasuk, Eloise Mumford, Max Martini, Rita Ora, Marcia Gay Harden and Dylan Neal, but we'll have to wait and see if any of these cast members will be back for the impending sequels. Are you excited that E.L. James' full novel trilogy will be adapted for the big screen? Take a look at the TV spots below, and chime in with your thoughts about Fifty Shades of Grey.