Which American singer, songwriter and actress is featured on "Somebody to You" released in 2014? 
Demetria Devonne Lovato
Title: Somebody's Watching Me
Passage: "Somebody's Watching Me" is a song by American singer Rockwell from his debut studio album "Somebody's Watching Me" (1984).  It was released as Rockwell's debut single and lead single from the album on January 14, 1984, by Motown.  It features former Jackson 5 members Michael Jackson (vocals in the chorus) and Jermaine Jackson (additional backing vocals).
Title: Demi Lovato
Passage: Demetria Devonne Lovato, known professionally as Demi Lovato ( or ; born August 20, 1992), is an American singer, songwriter, and actress.  After making her debut as a child actress in "Barney & Friends", Lovato rose to prominence in 2008 when she starred in the Disney Channel television film "Camp Rock" and released her debut single "This Is Me" which peaked at number nine on the "Billboard" Hot 100.  The success of the film and its soundtrack resulted in a recording contract with Hollywood Records.  Her debut album, "Don't Forget" (2008), debuted at number two on the US "Billboard" 200.  The following year, Lovato was cast as the titular character of the television series "Sonny with a Chance" and she released her sophomore album, "Here We Go Again", which became her first one to top the "Billboard" 200 chart.
Title: Somebody to You
Passage: "Somebody to You" is a song by British pop rock band The Vamps.  A version featuring American singer Demi Lovato was released in the United Kingdom on 18 May 2014 as the fourth single from their debut studio album, "Meet the Vamps" (2014).  The song peaked at number 4 on the UK Singles Chart, becoming the group's fourth successive top 5 single in the United Kingdom.  It also peaked at number 14 in Australia, their highest charting single to date in the country.
Demi Lovato Somebody to You