What's Your Number?

What's Your Number? is a 2011 American romantic comedy film directed by Mark Mylod, starring Anna Faris and Chris Evans. Written by Gabrielle Allan and Jennifer Crittenden, it is based on Karyn Bosnak's book 20 Times a Lady. It was released on September 30, 2011 to mixed reviews, with praise for its novel concept, the lead pair's chemistry along with Faris' performance, but criticisim for its story and screenplay.