Born: 1988

Hometown: New Canaan, Connecticut

Where You’ve Seen Her: Hot Yale alum Allison Williams has been on the TV scene since 2004 when she appeared on American Dreams. Since then, she wrote and starred in Will & Kate: Before Happily Ever After. Now, check her out on the new HBO series Girls on Sunday nights.

Random Fact: Her father is NBC Nightly News’ Brian Williams.