Overview: The 2nd iHeartRadio Music Awards was the second music award show presented by iHeartMedia's platform iHeartRadio and NBC. The awards were held on March 29, 2015, at the Shrine Auditorium in Los Angeles and were hosted by Jamie Foxx. Taylor Swift won three awards, including Artist of the Year and Song of the Year. Justin Timberlake was presented with the Innovator Award.