Leighton Marissa Meester (born April 9, 1986) is an American actress and singer. She is mostly known for her starring role as Blair Waldorf in the teen drama series Gossip Girl (2007–12). She has also appeared in the 2010 country drama film Country Strong, the 2011 thriller The Roommate, the 2011 romantic-comedy Monte Carlo, and the comedies The Oranges (2011) and That's My Boy (2012). Meester made her Broadway debut in 2014 in Of Mice and Men. Description above from the Wikipedia article Leighton Meester, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Leighton Meester

Acting Born April 9, 1986 Fort Worth, Texas, USA

Leighton Marissa Meester (born April 9, 1986) is an American actress and singer. She is mostly known for her starring role as Blair Waldorf in the teen drama series Gossip Girl (2007–12). She has also appeared in the 2010 country drama film Country Strong, the 2011 thriller The Roommate, the 2011 romantic-comedy Monte Carlo, and the comedies The Oranges (2011) and That's My Boy (2012). Meester made her Broadway debut in 2014 in Of Mice and Men.

Description above from the Wikipedia article Leighton Meester, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Known For

Law & Order

Alyssa Turner

House

Ali

The Late Late Show with James Corden

Self - Guest

The View

Self

24

Debbie Pendleton

Jimmy Kimmel Live!

Self

LIVE with Kelly and Mark

Self - Guest

CSI: Miami

Heather Crowley

Gossip Girl

Blair Waldorf

Numb3rs

Karen Camden

Entourage

Justine Chapin

Crossing Jordan

Marie Strand