Question: What actress appeared on "The Sing-Off" before her role in the film directed and co-produced by Elizabeth Banks?

full_context: Document 1: Josh Kelley: Joshua Bishop "Josh" Kelley Sr. (born January 30, 1980) is an American singer-songwriter and actor. Kelley has recorded for Hollywood Records, Threshold Records and DNK Records as a pop rock artist, and has had four hit singles on the Hot Adult Top 40 Tracks chart. His songs "Amazing" and "Only You" made top ten on that chart.
Document 2: Kelley Jakle: Kelley Alice Jakle (born June 27, 1989) is an American actress and singer-songwriter. She is best known for her role as Jessica in "Pitch Perfect" (2012) and its sequel "Pitch Perfect 2" (2015). She is also known for her appearances on the first and second seasons of "The Sing-Off" in 2009 and 2010.
Document 3: Jessica (Elliot Minor song): "Jessica" is the second single from York-based rock band Elliot Minor. It was released on August 6, 2007. The band wrote this song out of their affection for Jessica Alba. The song was originally called "Walk With Me".
Document 4: Shelley Regner: Shelley Anne Regner (born December 21, 1988) is an American actress and singer known for her role as Ashley in the musical films "Pitch Perfect" (2012) and its sequel "Pitch Perfect 2" (2015). She will be returning for the third installment, "Pitch Perfect 3" (2017).
Document 5: Alexis Knapp: Alexis Merizalde Knapp (born July 31, 1989) is an American actress and singer. She is known for her role as Stacie Conrad in the musical films "Pitch Perfect" (2012) , "Pitch Perfect 2" (2015) and the upcoming "Pitch Perfect 3". She is also known for her role of Alexis in the party film "Project X" (2012), and her role on the first season of the TBS comedy "Ground Floor".
Document 6: Pitch Perfect: Pitch Perfect is a 2012 American musical comedy film written by Kay Cannon and directed by Jason Moore. It features an ensemble cast, including Anna Kendrick, Skylar Astin, Rebel Wilson, Anna Camp, Brittany Snow, Ester Dean, Alexis Knapp, Hana Mae Lee, Adam DeVine, Ben Platt, John Michael Higgins, and Elizabeth Banks. The plot follows Barden University's all-girl a cappella group, The Barden Bellas, as they compete against another a cappella group from their college to win Nationals. The film is loosely adapted from Mickey Rapkin's non-fiction book, titled "Pitch Perfect: The Quest for Collegiate a Cappella Glory". Filming concluded in December 2011, in Baton Rouge, Louisiana.
Document 7: Pitch Perfect 2: Pitch Perfect 2 is a 2015 American musical comedy film directed and co-produced by Elizabeth Banks and written by Kay Cannon. It is a sequel to the 2012 film "Pitch Perfect" and the second installment in the "Pitch Perfect" series. The film centers on the fictional Barden University and The Bellas, an all-female a cappella singing group. The film features an ensemble cast, including Anna Kendrick, Rebel Wilson, Hailee Steinfeld, Brittany Snow, Alexis Knapp, Hana Mae Lee, Ester Dean, Chrissie Fit, Kelley Jakle and Shelley Regner as The Bellas. It was released on May 15, 2015 by Universal Pictures.
Document 8: Jessica Jung: Jessica Jung (born April 18, 1989), known professionally as Jessica, is an American singer, songwriter, actress, model, fashion designer, and businesswoman currently based in South Korea. Jung was born and raised in San Francisco, California. At the age of eleven, she was discovered by South Korean entertainment agency S.M. Entertainment and subsequently moved to South Korea. In 2007, Jung debuted as a member of the South Korean girl group Girls' Generation. The group later became one of the best-selling artists in South Korea, and one of South Korea's most popular girl groups nationwide and worldwide.
Document 9: AJ Michalka: Amanda Joy "AJ" Michalka ( ; born April 10, 1991), often credited as simply AJ, is an American actress, singer-songwriter, and musician. She was a model prior to becoming an actress, and is best known as one-half of the duo Aly and AJ (formerly 78Violet) with her sister Aly Michalka. AJ recorded the theme song and accompanying music video for the film "Secretariat", entitled "It's Who You Are." She also issued a single and video called "All I've Ever Needed" from her 2013 film "Grace Unplugged". She has also had a successful acting career, and after two seasons in a recurring role as Lainey Lewis on the ABC sitcom "The Goldbergs", she has been promoted to a regular role on the series for the third season onward.
Document 10: Aly Michalka: Alyson Renae "Aly" Michalka ( ; born March 25, 1989) is an American actress and recording artist. She gained fame for playing the role of Keely Teslow in the Disney Channel series "Phil of the Future" and has participated in film and other television roles including the CW series "Hellcats" and "iZombie". Michalka and her sister, actress Amanda "AJ" Michalka, are members of the musical duo Aly & AJ.
Document 11: Kellie Pickler (album): Kellie Pickler is the self-titled second studio album by American country artist Kellie Pickler. The lead-off single, "Don't You Know You're Beautiful", was debuted at the 43rd Academy Of Country Music awards and peaked at 21 on Hot Country Songs. The album was released via BNA Records/19 Recordings on September 30, 2008. Since the albums' release, three more singles have charted; "Best Days of Your Life" at number 9 (which was co-wrote with fellow country artist Taylor Swift), "Didn't You Know How Much I Loved You" at number 14 (a re-recording of an album cut from Pickler's debut album "Small Town Girl") and "Makin' Me Fall in Love Again" at number 30.
Document 12: Pitch Perfect 3: Pitch Perfect 3 is an upcoming American musical comedy film directed by Trish Sie and written by Kay Cannon. A sequel to "Pitch Perfect 2" (2015) and the third and final installment in the "Pitch Perfect" trilogy, the film will star Anna Kendrick, Anna Camp, Rebel Wilson, Brittany Snow, Hailee Steinfeld, Alexis Knapp, Ester Dean, Hana Mae Lee, Chrissie Fit, Kelley Jakle and Shelley Regner, with Elizabeth Banks and John Michael Higgins. The film is scheduled to be released on December 22, 2017.
Document 13: Pitch Perfect (soundtrack): Pitch Perfect: Original Motion Picture Soundtrack is the official music for the 2012 film "Pitch Perfect". The soundtrack was released digitally on September 25, 2012, and physically on October 2, 2012. Three songs from the album charted on the "Billboard" Hot 100: "Cups" by Anna Kendrick, which peaked at number 6; "Bellas Finals: Price Tag/Don't You (Forget About Me)/Give Me Everything/Just the Way You Are/Party in the U.S.A./Turn the Beat Around" by The Barden Bellas, which peaked at number 85; and "Riff Off: Mickey/Like a Virgin/Hit Me with Your Best Shot/S&M/Let's Talk About Sex/I'll Make Love to You/Feels Like the First Time/No Diggity" by The Barden Bellas, The Treblemakers, and the BU Harmonics, which has peaked at number 86.
Document 14: Skylar Astin: Skylar Astin Lipstein (born September 23, 1987), known professionally as Skylar Astin, is an American actor and singer. He became known for portraying Jesse Swanson in the musical films "Pitch Perfect" (2012) and "Pitch Perfect 2" (2015). He was also in the original cast of the Broadway musical "Spring Awakening", and has since appeared in films such as "Hamlet 2" (2008), "Taking Woodstock" (2009), "Cavemen" (2013), and "21 & Over" (2013).
Document 15: Pitch Perfect (film series): Pitch Perfect is a series of musical comedy films created by Kay Cannon, loosely based on the non-fiction book "Pitch Perfect: The Quest for Collegiate a Cappella Glory" by Mickey Rapkin. Jason Moore directed the first film, and Elizabeth Banks directed the second, with the upcoming third installment set to be released on December 22, 2017. Paul Brooks, Max Handelman, and Banks produced the films. It features an ensemble cast, including Anna Kendrick, Rebel Wilson, Anna Camp, Brittany Snow, Skylar Astin, Adam DeVine, Ben Platt, Alexis Knapp, Hana Mae Lee, Ester Dean, Hailee Steinfeld, Chrissie Fit, Katey Sagal, John Michael Higgins, and Banks. The series is distributed by Universal Pictures.
ground_truth: Kelley Jakle