Question: What is the name of the Grammy award winning song written and produced by Justin Timberlake for the film "Trolls"?
Context: "Hair Up" is a song recorded by American recording artists Gwen Stefani and Justin Timberlake and by American comedian Ron Funches from the official soundtrack to the 2016 film "Trolls".  It was written by Timberlake, Max Martin, Shellback and Savan Kotecha, while the production was handled by Timberlake, Martin, Oscar Holter and Shellback.  The song uses the melody of "In the Hall of the Mountain King" from "Peer Gynt" by Edvard Grieg.  One critic described the song as "an homage to Willow Smith’s Whip My Hair".  Commercially, "Hair Up" peaked at number six on Billboard's Kid Digital Songs component chart, where it lasted for thirteen consecutive weeks. "LoveStoned" (also known as "LoveStoned/I Think She Knows") is a song recorded by American singer and songwriter Justin Timberlake for his second studio album, "FutureSex/LoveSounds" (2006).  It was written and produced by Timberlake, Tim "Timbaland" Mosley and Nate "Danja" Hills.  In contrast to the album's theme about sexual innuendos with themes of love, "LoveStoned" contains sexually suggestive lyrics.  Musically "LoveStoned" is an upbeat dance song, contrasting with the interlude of "I Think She Knows" which has a more slow, quiet, guitar-driven sound.  The song won the Grammy Award for Best Dance Recording at the 2008 ceremony. "Can't Stop the Feeling!"  is a song recorded by American singer-songwriter Justin Timberlake for the soundtrack to the film "Trolls" (2016), for which he serves as the executive music producer.  It was written and produced by Timberlake, Max Martin and Shellback.  Musically, it is an uptempo disco-pop, soul-pop number with funk influences.  The song was released as a single on May 6, 2016, and serviced to contemporary hit radio on May 10, 2016.  Timberlake gave his first televised performance of "Can't Stop the Feeling!"  during the interval act of the Eurovision Song Contest 2016 grand final.  Directed by Mark Romanek, its music video was released on May 16, 2016, and follows Timberlake on a tour to everyday places as he dances through what a typical day might be—it was followed by a number of fan-made videos. Jaycen Joshua is a mix engineer who works at Larrabee Sound Studios in North Hollywood, California.  Joshua started his mix career in 2006 when he became partners with his mentor Dave Pensado and formed The Penua Project.  Joshua has won multiple Grammys and mixed many Grammy Award winning records such as "Single Ladies (Put a Ring on It)" by Beyoncé and "Blame It" by Jamie Foxx, as well as over 60 #1 singles and albums.  Joshua has worked with Mariah Carey, Justin Timberlake, Sean Combs, Jay-Z, Chris Brown, Miley Cyrus, Christina Aguilera, Mary J. Blige, Rihanna, R. Kelly, Celine Dion, J-Lo, T.I., Usher, Michael Jackson, Nicki Minaj, Katy Perry, Snoop Dogg, Justin Bieber, Seal, Nas, Chris Brown and Whitney Houston.  Joshua is managed by Terry Ross for Innersound Management, LLC. Love Dealer is Esmée Denters' third single from her debut album "Outta Here".  The song was written by Denters, Justin Timberlake and production team StarGate in 2009.  StarGate produced the song together with Justin Timberlake, who also provided featured vocals.  On March 22, 2010, British radio station BBC Radio 1Xtra confirmed that "Love Dealer" would be Esmée Denters' next single off of "Outta Here".  It was, however, her first official single in the US.  The song was released in an attempt to help her break the US market with the help of Justin Timberlake.  Due to a lack of airplay in the United Kingdom the single failed to reach the UK Top 40.  It also failed to chart on the "Billboard" Hot 100. Trolls: Original Motion Picture Soundtrack is the soundtrack album to the 2016 DreamWorks Animation film "Trolls", released on September 23, 2016 by RCA Records.  The soundtrack is produced primarily by singer-songwriter Justin Timberlake, along with Max Martin and Shellback as additional producers.  It features work from Timberlake himself, along with Anna Kendrick, Ron Funches, Zooey Deschanel and Gwen Stefani, who all voice characters in the film, as well as Earth, Wind & Fire and Ariana Grande.  The album was certified Platinum in Australia and the United States.  The song "Can't Stop the Feeling! " was nominated for an Academy Award and won a Grammy Award. Trolls is a 2016 American 3D computer-animated musical comedy film based on the Troll dolls created by Thomas Dam.  The film was directed by Mike Mitchell and co-directed by Walt Dohrn, written by Jonathan Aibel and Glenn Berger and based on a story by Erica Rivinoja.  The film features the voices of Anna Kendrick, Justin Timberlake, Zooey Deschanel, Russell Brand, James Corden and Gwen Stefani.  The film revolves around two trolls on a quest to save their village from destruction by the Bergens, creatures who eat trolls. "Echa Pa'lla (Manos Pa'rriba)" {Echa Para Allá (Manos Para Arriba)} (English version known as "Go Away (Hands Up)") is a Latin Grammy award winning song recorded by American rapper Pitbull for his seventh studio album "Global Warming".  The song features guest vocals from Papayo.  It was released on Jul 16, 2012.  It was produced by Gregor Salto, Todorov and Urales "DJ Buddha" Vargas.  The song has achieved moderate chart success and has found its way in "Billboard Top Latin Songs".  It also peaked number 5 on the Billboard Tropical Songs Chart.  It was also the official Miss Teen USA 2012 theme song.  "Echa Pa'lla" won the Latin Grammy Award for Best Urban Performance.  At the 2014 Lo Nuestro Awards, it won the award for Urban Song of the Year at the 26th Lo Nuestro Awards. "Dead and Gone" is a song by American hip hop recording artist T.I., featuring American singer-songwriter Justin Timberlake.  It was released as the eighth single from T.I.'s sixth studio album, "Paper Trail" (2008).  Due to the high number of digital downloads upon the album's release, the song debuted on the "Billboard" Hot 100 before its official single release.  The song marked the second collaboration between T.I. and Justin Timberlake, the first being the hit single "My Love", from Timberlake's second album, "FutureSex/LoveSounds" (2006).  T.I. and Timberlake performed this song at the 51st Grammy Awards.  The song was later nominated twice at the 52nd Grammy Awards, for Best Rap/Sung Collaboration and Best Rap Song.  It was the 10th bestselling digital single of 2009 in the United States.  As of 2012, it had sold 3.1 million copies in the country. "The Only Promise That Remains" is a country duet recorded by American singers Reba McEntire and Justin Timberlake for McEntire's 24th studio album, "" (2007).  It was written and produced by Timberlake, with additional writing from Matt Morris.  McEntire and Timberlake met at the 49th Annual Grammy Awards ceremony in February 2007, where McEntire asked him to be a part of the album.  She was initially skeptical when Timberlake suggested that he write a song for her, expecting it to be "something that was wayyy out of [her] ballpark".  She was relieved when he played "The Only Promise That Remains", an acoustic-based Celtic love song, for her.
Answer: Can't Stop the Feeling!