Exuding intelligence along with understated sexiness, actress Allison Williams is one of the hottest women of 2013. The daughter of NBC News anchor Brian Williams, Allison is best known for her role as Marnie Michaels on the HBO television series, 'Girls,' where she is helping define her generation.

Williams will continue her run in 'Girls,' in 2013 and beyond. She's also slated to do a three episode turn on the Fox TV show 'The Mindy Project' this year, and she'll continue to appear in the 'Jake and Amir' shorts on CollegeHumor.com

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