Question: What actress, born Feb. 1, 1987, played Brittany Pierce on Glee?

Context paragraphs:
Brittany Pierce: Brittany Susan Pierce is a fictional character from the Fox musical comedy-drama series "Glee".  The character is portrayed by actress Heather Morris, and first appeared in the show's second episode, "Showmance".  Brittany was developed by "Glee" creators Ryan Murphy, Brad Falchuk, and Ian Brennan.  In "Glee", Brittany is a cheerleader, or "Cheerio" for the fictional William McKinley High School, and a member of the school's glee club led by Will Schuester.  Morris was originally hired to teach Beyoncé's "Single Ladies" dance to the "Glee" cast.  The show at the time was looking for a third cheerleader, and Morris landed the role.  Morris was upgraded to a series regular in the series' second season, in which Brittany is given a larger storyline, solos and dance routines to perform.

Rory Flanagan: Rory Flanagan is a recurring fictional character from the Fox musical comedy-drama series "Glee".  The character is portrayed by actor Damian McGinty, and appeared in "Glee" starting with its third season episode "Pot o' Gold", first broadcast on November 1, 2011.  Rory is an exchange student from Ireland who arrives as a sophomore, and is living at the home of Brittany Pierce (Heather Morris) while studying at McKinley High.  He joins the McKinley glee club, New Directions, in his first episode.

Santana Lopez: Santana Lopez is a fictional character from the Fox musical comedy-drama series "Glee".  The character is portrayed by actress Naya Rivera, and has appeared in "Glee" from its pilot episode, first broadcast on May 19, 2009.  Santana was developed by "Glee" creators Ryan Murphy, Brad Falchuk and Ian Brennan.  Introduced as a minor antagonist and a sidekick to Quinn Fabray (Dianna Agron) in first episode of "Glee", Santana's role grew over the course of the show's first season.  In the second season, Rivera was promoted to series regular, and Santana was given more high-profile storylines, such as the development of her romantic feelings for her best friend Brittany Pierce (Heather Morris), and subsequent realization that she is a lesbian.  Rivera, who has been vocally supportive of the love story between her and Morris' character, has received widespread praise for her portrayal of Santana, as well as for her for vocal work in numerous songs performed as part of the show's central glee club, New Directions.

Heather Morris: Heather Elizabeth Morris (born February 1, 1987) is an American actress, dancer, singer and model, known for her role as Brittany S. Pierce in the Fox musical comedy-drama series "Glee".

Britney 2.0: "Britney 2.0" is the second episode of the fourth season of the American musical television series "Glee", and the sixty-eighth episode overall.  Written by Brad Falchuk and directed by Alfonso Gomez-Rejon, it aired on Fox in the United States on September 20, 2012, and features "Glee"'s second episode dedicated to the music of Britney Spears.  This episode features, the New Directions attempting to cheer up a depressed Brittany Pierce (Heather Morris) with Britney Spears songs.  Special guest star Kate Hudson returns as Rachel's dance instructor, Cassandra July.

Season Lao: Season Lao ，Japanese: シーズン・ラオ (born Feb 16, 1987) is a contemporary artist and photographer.  He was born in Macau now is based in Hokkaido, Japan.

Mark Hamburger: Mark John Hamburger (born Feb. 5, 1987) is a baseball pitcher for the Somerset Patriots of the Atlantic League of Professional Baseball.  He has played in Major League Baseball (MLB) for the Texas Rangers.

Marcio Gleydson da Silva Santos: Marcio Gleydson da Silva Santos, known as Marcio Santos (born Feb 22, 1987 in Brazil) is a Brazilian football player, who currently plays for Savan United in the Lao Premier League.  He usually plays as a midfielder.  Despite playing on one of the bottom-ranking teams in Thailand, Myanmar and Laos, he has proven to be a moderate success and has scored and assisted in his recent appearances as a starter.

Light Up the World (Glee song): "Light Up the World" is a song performed by the cast of American television series "Glee", taken from their eight soundtrack album, "".  The song was written by the series' music producer Adam Anders, Swedish pop music producer Max Martin, and Peer Åström, Savan Kotecha, and Johan Schuster.  Anders and Martin produced the track.  The song features solos from Naya Rivera (Santana Lopez), Heather Morris (Brittany Pierce), Kevin McHale (Artie Abrams), Cory Monteith (Finn Hudson), and Jenna Ushkowitz (Tina Cohen-Chang).

Nyan Boateng: Nyan Boateng (born Feb 23, 1987) is a former American football wide receiver.  He was signed by the New York Giants of the National Football League as a free agent in 2009.  Boateng played college football for the University of Florida and was a member the 2006 BCS National Championship team.  He later transferred to UC Berkeley.

Supporting paragraphs: Brittany Pierce Heather Morris
Answer: Heather Morris