"Body Say" is a song recorded by American singer Demi Lovato.
 She co-wrote the track with Simon Wilcox and its producer, Sir Nolan.
 It was initially released exclusively to music streaming services through Island, Hollywood and Safehouse Records on July 1, 2016, was serviced to pop radio on July 12, 2016, and was made available to iTunes on July 15, 2016.
Poppy, also known as That Poppy, is an American singer, songwriter, ambient music composer and YouTube personality.
 She moved to Los Angeles in 2014 to pursue a musical career, where she signed with Island Records and released her debut EP, "Bubblebath" (2016).
 In late 2016, she became the face of Sanrio's "Hello Sanrio" collection.
"Chainsaw" is a song recorded by American singer Nick Jonas from his third studio album, "Last Year Was Complicated".
 It was released on May 13, 2016, by Island, Safehouse and Republic Records as the album's second Promotional single.
 The song was written by Nick Jonas, Simon Wilcox, Sean Douglas, Julia Michaels and Nolan Lambroza.
Lilly Singh (born 26 September 1988) is a Canadian YouTube personality, vlogger, comedian, writer, and actress.
 She is better known by her YouTube username IISuperwomanII.
 Since beginning her channel in October 2010, her videos have received over 2 billion views, and her channel has accumulated over 12 million subscribers.
 In 2016, she was ranked 3rd on the "Forbes" list of the world's highest paid YouTube stars (behind Roman Atwood and PewDiePie), earning a reported $7.5 million in 2016.
 Singh has featured in the annual YouTube Rewind every year since 2014.
 She ranked 1st on 2017 Forbes Top Influencers List in the entertainment category.
"Write on Me" is a song by American girl group Fifth Harmony from their sophomore studio album, "7/27".
 It was released as the album's second promotional single on May 5, 2016 on iTunes and other digital and streaming services.
 The song was written by duo Mikkel Eriksen and Tor Erik Hermansen of Stargate, Kygo, Priscilla Renea, and Simon Wilcox, with production handled by Eriksen, Hermansen, and Kygo.
 Musically, the track is a mid-tempo tropical house number that uses synths, tambourines, an acoustic guitar and finger-snaps in its instrumentation.
 Critics noted a slower melody from the group's previous songs and similarities to Norwegian DJ Kygo's rhythm style.
Simon Wilcox is a songwriter based in Los Angeles.
 She has written multiple platinum and gold singles, working with artists such as Nick Jonas, Enrique Iglesias, Tinashe, Demi Lovato, Five Seconds of Summer, Britney Spears, Fifth Harmony, Poppy, and DNCE, among others.
 Her songs have been used extensively in film and television.
"Flame" is a song recorded by American singer Tinashe, released as the intended first single from her sophomore studio album "Joyride" on March 16, 2017.
 The song was produced by Sir Nolan, who wrote the track with Tinashe, alongside Simon Wilcox, Ilsey Juber, and Nasri Atweh.
Ryan Higa (born June 6, 1990), also known by his YouTube username nigahiga ( ), is an American comedian, YouTube personality, and actor.
 He is known for his comedy videos on YouTube, which have been viewed over 3 billion times.
 Higa's YouTube channel, nigahiga, was the most subscribed channel on YouTube for 677 consecutive days from 2009–2011, longer than any other channel besides PewDiePie.
 s of 2017 , he has over 20 million subscribers, making his channel the 20th most subscribed on YouTube.
"Jealous" is a song performed by American recording artist Nick Jonas for his eponymous second studio album.
 It was released on September 8, 2014, by Island Records as the second single from the record.
 It was written by Jonas, Sir Nolan, Simon Wilcox, and the song was produced later by Sir Nolan.
Gold (stylized as G O L D), is the debut studio album by American YouTube personality Ricky Dillon, released on January 15, 2016.
 The album features the singles, "Steal the Show" featuring American singer and YouTube personality Trevor Moran and "Problematic" featuring American rapper Snoop Dogg.

Question: Simon Wilcox has worked with the Youtube personality who moved where in 2014?
Answer: Los Angeles