Which American singer, songwriter and actress is featured on "Somebody to You" released in 2014? 
Somebody to You: "Somebody to You" is a song by British pop rock band The Vamps. Somebody to You:  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). Demi Lovato: Demetria Devonne Lovato, known professionally as Demi Lovato ( or ; born August 20, 1992), is an American singer, songwriter, and actress.
Demetria Devonne Lovato