"Calling All Hearts" is a song by American producer DJ Cassidy, featuring vocals from American singer-songwriter, musician and actor Robin Thicke, and English singer-songwriter Jessie J.[1] The track was written by Cassidy Podell, Jessica Cornish, Claude Kelly and Gregory Cohen. It was released in the United States in February 2014 and in the United Kingdom on 20 April 2014 as a digital download. The song has charted in Belgium.