Leighton Meester
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.
Filmography
Law & Order
House
CSI: Miami
Crossing Jordan
24
The View
The Late Late Show with James Corden
Jimmy Kimmel Live!
Numb3rs
Gossip Girl
Entourage
The Tyra Banks Show
Veronica Mars
LIVE with Kelly and Mark
Boston Public
The Orville
Shark
7th Heaven
Late Night with Jimmy Fallon
CollegeHumor Shorts
8 Simple Rules
How I Met Your Father
Lights Out with David Spade
Nobody Wants This
Once and Again
I Love LA
The Bachelor
Surface
Single Parents
The Last Man on Earth