Question: What year was Ed Westwick, star of both "Gossip Girl" and "Chalet Girl", born?

Context paragraphs:
Gossip Girl (season 4): The fourth season of "Gossip Girl", an American teen drama, consisted of 22 episodes which aired between September 13, 2010 and May 16, 2011.  The series was based upon the book series by Cecily von Ziegesar and developed for television by Josh Schwartz and Stephanie Savage.  The CW renewed the series for a full fourth season on February 16, 2010.  Blake Lively, Leighton Meester, Penn Badgley, Chace Crawford, Taylor Momsen, Ed Westwick, Jessica Szohr, Kelly Rutherford, and Matthew Settle all return as series regulars.

Serena van der Woodsen: Serena Celia van der Woodsen is a main character in the "Gossip Girl" novel series and its TV adaptation, in which she is portrayed by Blake Lively.  Serena is featured on the blog of the series' mysterious narrator, "Gossip Girl."  Serena is Blair Waldorf's best friend and is a character that appears to easily get whatever she wants, because of her good looks, energy and charisma.  She is also known as the "It Girl" in the series.

Juliet Sharp: Juliet Sharp is a recurring character who exclusively appeared in the "Gossip Girl" television adaptation.  The character was created by "Gossip Girl" producer Stephanie Savage and is portrayed by actress Katie Cassidy.  The series portrays her as a scheming and secretive but caring woman who develops into a formidable antagonist as her agenda against Serena van der Woodsen progressed.  The actions of character has drawn comparisons to another villain of "Gossip Girl", Georgina Sparks, and received positive reviews for her inclusion in the series.  Juliet only appears during the first half of the fourth season, though she returns in the series finale.

Blair Waldorf: Blair Cornelia Waldorf is the lead character of "Gossip Girl", introduced in the original series of novels and also appearing in the television and manga adaptations.  Described as "a girl of extremes" by creator Cecily von Ziegesar, she is a comical overachiever who possesses both snobbish and sensitive sides.  Due to her position as queen bee of Manhattan's social scene, Blair's actions and relations are under constant scrutiny from the mysterious Gossip Girl, a popular blogger.

Ed Westwick: Edward Jack Peter "Ed" Westwick (born 1987) is an English actor and musician, best known for his role as Chuck Bass on The CW's teen television drama series "Gossip Girl" (2007–2012).  He made his feature film debut in "Children of Men" (2006) and has since appeared in the films "Breaking and Entering" (2006), "Son of Rambow" (2007), "S. Darko" (2009), "Chalet Girl" (2011), "J. Edgar" (2011), "Romeo and Juliet" (2013), "Bone in the Throat" (2015), "Freaks of Nature" (2015), and "Billionaire Ransom" (2016).  He currently plays Vincent Swan in the BBC Two television comedy series "White Gold" (2017).

List of Gossip Girl: Acapulco episodes: "" is a Mexican television series which premiered on August 5, 2013 in Mexico on Golden Premier and ended on September 6, 2013 after 25 episodes.  "Gossip Girl: Acapulco" is the Mexican adaptation of "Gossip Girl", and is produced by El Mall and Warner Brothers International Television.  Pedro Torres serves as executive producer.  The first season summarises original "Gossip Girl" seasons 1 and 2, as the producer wanted to have a more dramatic and intense storyline.

Chalet Girl: Chalet Girl is a 2011 British-German-Austrian romantic comedy-sports film directed by Phil Traill.  The film stars Felicity Jones, Ed Westwick, Tamsin Egerton, Ken Duken, Sophia Bush, Bill Bailey, Brooke Shields and Bill Nighy.  The film was produced by Pippa Cross, Harriet Rees, Dietmar Guentsche and Wolfgang Behr, and written by Tom Williams.  It was filmed on location in Sankt Anton am Arlberg, Austria and in Garmisch-Partenkirchen, Germany.  Critical reaction to the film was massively polarized, but overall praised Felicity Jones in the leading role.  The film earned $4,811,510 on a £8,000,000 budget.

Gossip Girl (season 1): The first season of "Gossip Girl", an American teen drama based upon the book series by Cecily von Ziegesar.  Developed for television by Josh Schwartz and Stephanie Savage.  Airing on The CW from September 19, 2007 till May 19, 2008 with 18 episodes.  It tells the story of Serena van der Woodsen's return to Manhattan's Upper East Side in New York City following her mysterious disappearance to boarding school in Connecticut, while being watched by gossip website Gossip Girl.

Chuck Bass: Charles Bartholomew "Chuck" Bass is a fictional character in the novel and television series "Gossip Girl".  In the TV series, he is portrayed by English actor Ed Westwick.  Although he is a secondary antagonist in the original book series, the TV series elevates him to an anti-heroic main character, where he is noted for his financial ambition, hedonism and personal style.

List of Gossip Girl episodes: "Gossip Girl" is a teen drama which premiered on September 19, 2007 in the United States on The CW.  "Gossip Girl" is based on the young-adult book series of the same name written by Cecily von Ziegesar, and was developed for television by "The O.C." creators Josh Schwartz and Stephanie Savage.  The series follows the lives of the young, wealthy, and social elite residing in the Upper East Side of Manhattan, and is narrated by an unseen and seemingly omniscient character, "Gossip Girl", whose blog is widely read among the characters.

Supporting paragraphs: Ed Westwick Chalet Girl
Answer: 1987