Another Movie Trailer of the Day: First official trailer for What's Your Number?, Entourage co-producer Mark Mylod's big-screen adaptation of Karyn Bosnak's book 20 Times a Lady.

The film, which stars Anna Faris, Chris Evans, Ryan Phillippe, Zachary Quinto, Chris Pratt, Dave Annable, Mike Vogel, Joel McHale, and Andy Samberg, is slated to open wide September 30.

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