Question: What character in "Deadpool" did an American actress born in 1996 who starred in Tragedy Girls portray?

Context paragraphs:
Irene Gorovaia: Irene Gorovaia (Russian: Ирина Горовая ; born June 13, 1989), also credited as Irina Gorovaia, is an American actress born in Russia and raised in Brooklyn, New York.  She has been a ballet dancer for many years, training with the School of American Ballet.

Kara Zediker: Kara Zediker is an American actress born in Kankakee, Illinois.  She guest starred on "" as the young T'Pau in the fourth-season episodes "Awakening" and "Kir'Shara".  She has also guest-starred on such shows as "Charmed", "The King of Queens", "Becker", "Joan of Arcadia" and "24".

Blanche Whiffen: Blanche Whiffen, better known as Mrs. Thomas Whiffen, (1845–1936) was an American actress born in London.  Her maiden name was Galton.  She was educated in France; made her stage début at the Royalty Theatre, London, in 1865; came to America in 1868; and toured the United States under John Templeton's management.  In 1879 she played Buttercup in the first American production of Gilbert and Sullivan's "Pinafore".  She joined Daniel Frohman's stock company at his old Lyceum Theatre, where she appeared in more than 25 plays between 1887 and 1899 including "The Wife" (1887), "The Charity Ball" (1889), and "Trelawny of the 'Wells'" (1898).  Later she was part of Charles Frohman's company at the Empire.  She became Broadway's resident old lady character player after the death of Mrs. G. H. Gilbert in 1904.  Mrs Whiffen in later years appeared in "Zira" (1905); "The Great Divide" (1905–07); "The Builder of Bridges" (1909); "The Brass Bottle" (1910); "Electricity" (1910); "Cousin Kate" (1912); "Tante" (1913); "A Scrap of Paper" (1914); "Rosemary" (1915).  She was still active at 70 and a great favorite.

Sarah Glendening: Sarah Glendening (born September 20, 1982) is an American actress.  In 2009, she joined the cast as the fifth actress to portray Lucy Montgomery on the CBS soap "As the World Turns".  She played the role until the show's cancellation in September 2010.  In October 2010, it was announced she would be joining "All My Children" as the second actress to portray Marissa Tasker.

Hailey McCann: Hailey McCann (born October 3, 1995) is an American actress born in Riverside, California.  McCann is one of four children and has two sisters and a brother.  She played her first role in the 2003 short film "Give or Take an Inch".  In the movie "The Time Traveler's Wife" she appeared alongside her younger sister, Tatum McCann as well as Eric Bana and Rachel McAdams.  The sisters both played the character of Alba DeTamble in different time periods.

Tragedy Girls: Tragedy Girls is a 2017 American comedy horror film directed by Tyler MacIntyre and written by Chris Lee Hill and Tyler MacIntyre.  The film stars Alexandra Shipp, Brianna Hildebrand, Josh Hutcherson, Craig Robinson, Kevin Durand and Jack Quaid.  The film is scheduled to be released on October 20, 2017, by Gunpowder & Sky.

Jacqueline Lovell: Jacqueline Lovell (born 9 December 1974) is an American actress born and raised in Southern California.  Most of her roles have been in B-films and erotic movies.

Brianna Hildebrand: Brianna Caitlin Hildebrand (born August 14, 1996) is an American actress.  She is known for appearing in the web series "Annie Undocumented", and as Negasonic Teenage Warhead in the 2016 film "Deadpool".

Jean Fenwick: Jean Fenwick, born Harriet Krauth (May 30, 1907 — December 5, 1998) was an American actress born in Trinidad.

Renée Bourque: Renée Lee Moniz (born October 16, 1977) is an American actress born and raised in Rhode Island.  She is also known as "Renée Moniz" and "Renee Bourque Moniz".  She has appeared in "American Hustle" and in the movie "27 Dresses" where she plays Katherine Heigl's co-worker at Urban Everest.

Supporting paragraphs: Tragedy Girls Brianna Hildebrand
Answer: Negasonic Teenage Warhead