'Fifty Shades' nets $94.4M in North American debut

Erotic romance film "Fifty Shades of Grey" easily took the top spot at the box office, collecting an estimated $94.4 million over the long holiday weekend.

The film is based on  E L James's three-book series that has sold over 100 million copies, according to Fox Business.

While it took the box office, many critics gave bad ratings to the film and audiences also were mixed.

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