Question: Sasha Pieterse starred in film that made its first official screening a what festival?

Context paragraphs:
Coin Heist: Coin Heist is a 2017 American crime drama film, written and directed by Emily Hagins, and based on the young-adult novel of the same name by Elisa Ludwig.  The film stars Sasha Pieterse, Alex Saxon, Alexis G. Zall, Jay Walker and Connor Ratliff.  It was released on Netflix on January 6, 2017.

Burning Bodhi: Burning Bodhi is a 2015 independent film written and directed by Matthew McDuffie.  It stars Kaley Cuoco, Landon Liboiron, Sasha Pieterse, and Cody Horn.  The film had its world premiere at the Austin Film Festival on November 1, 2015.

Sasha Pieterse: Sasha Pieterse ( ; born February 17, 1996) is a South African-born American actress and singer-songwriter.  She is known for her role as Alison DiLaurentis in the Freeform series "Pretty Little Liars".  Upon the success of the series, Pieterse earned a supporting role as Amy Loubalu in the 2011 Disney Channel film "Geek Charming".  In 2013, she starred in the teen comedy film "G.B.F.".  She is also a main character in the Netflix Original "Coin Heist", which premiered in 2017.

Suddenly It's Magic: Suddenly It's Magic is a 2012 Filipino-Thai romantic film directed by Filipino film director Rory Quintos, starring Thai actor Mario Maurer and Filipina actress Erich Gonzales.  The film is produced by Star Cinema and was released last October 31, 2012, in the Philippines.  On March 7, 2013, Baifern Pimchanok confirmed on her Twitter account that the movie will screen in Thailand on March 14, 2013 at the Major Cineplex theater.  Following Thailand's premiere of the movie, on March 25, 2013, Cambodia's Legend Cinemas confirmed on their Facebook fanpage of the official screening of the movie in the country on March 28, 2013.

Drew Van Acker: Drew Van Acker (born April 2, 1986) is an American actor.  He is known for playing Jason DiLaurentis, the older brother of Alison DiLaurentis (Sasha Pieterse) on ABC Family's "Pretty Little Liars" (2010–2017).  He has also starred as Remi Delatour on Lifetime's "Devious Maids" (2013–2015), and as Detective Tommy Campbell on the 2017 CBS police drama "Training Day".

Sasha Bezmel: Sasha Bezmel is a fictional character from the Australian Channel Seven soap opera "Home and Away", played by Demi Harman.  The actress relocated to Sydney from Brisbane for filming and she stated that winning the role was a dream come true.  Harman told a reporter that her character forced changes within herself, which she had difficulty adjusting to.  Harman made her first screen appearance as Sasha during the episode broadcast on 31 August 2011.  Harman decided to leave the show in 2014 and filmed her final scenes in October.  Sasha made her official departure on 1 April 2015.

Hang Tuah (film): The Legend of Hang Tuah is a 1956 Singaporean historical period drama film directed by Phani Majumdar.  It is the first Malay film to be fully shot in Eastman colour film.  It was released to public on 28 January 1956.  The film was based on the legendary Admiral Hang Tuah of Malacca and his 4 sworn brothers; Hang Jebat, Hang Kasturi, Hang Lekir and Hang Lekiu.  This film received the award for 'Best Musical Score' at the 3rd Asian Film Festival in Hong Kong in 1956 and an official screening at 7th Berlin International Film Festival in 1957, where it was nominated for the Golden Bear.

This Country Is Bad Ass: "This Country Is Bad Ass", is the debut single of South African-American actress-singer Sasha Pieterse.  It was released on 11 April 2013, a day earlier than its official release date.  The song was written by Pieterse, Mandie Pinto and Dan Franklin who also produced it.

G.B.F. (film): G.B.F. (Gay Best Friend) is a 2013 American teen comedy film directed by Darren Stein and produced by School Pictures, Parting Shots Media, and Logolite Entertainment.  The film made its first official screening at the 2013 Tribeca Film Festival in April 2013 and got its theatrical release on January 17, 2014 by Vertical Entertainment.  "G.B.F." focuses on closeted gay high school students Tanner and Brent.  When Tanner is outed, he is picked up by the cool girls and he begins to surpass still-closeted Brent in popularity.

Highway Star – A Journey in Rock: Highway Star - A Journey In Rock is a feature-length documentary film about the life and music of Ian Gillan, released in April 2007 on DVD by Universal.  The 2-disc DVD edition features over six hours of footage.  A shortened 1-hr version of the film was broadcast worldwide on television.  The first official screening of the film took place on March 2, 2007 at the launch of Cardiff School of Creative & Cultural Industries, an initiative by ATRiuM and University of Glamorgan.

Supporting paragraphs: Sasha Pieterse G.B.F. (film)
Answer: Tribeca Film Festival