Question: Which American singer, songwriter and actress is featured on "Somebody to You" released in 2014? 
Sentence (from "Demi Lovato"): 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.
Relevant evidence: No