
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.

Law & Order
TV • 1990

House
TV • 2004

CSI: Miami
TV • 2002

Crossing Jordan
TV • 2001

24
TV • 2001

The View
TV • 1997

The Late Late Show with James Corden
TV • 2015

Jimmy Kimmel Live!
TV • 2003

Numb3rs
TV • 2005

Gossip Girl
TV • 2007

Entourage
TV • 2004

The Tyra Banks Show
TV • 2005

Veronica Mars
TV • 2004

LIVE with Kelly and Mark
TV • 1988

Boston Public
TV • 2000

The Orville
TV • 2017

Shark
TV • 2006

7th Heaven
TV • 1996