Others joining the line-up, as revealed by Live Nation, include Kid Ink, Meridian Dan, Jon Bellion, Elli Ingram and Indiana.
The 10th Wireless Festival takes place from 4 to 6 July in Finsbury Park, London, and Perry Park in Birmingham.
Previously announced headliners include Kanye West, Pharrell Williams, Ella Eyre, Drake and John Newman.
Outkast, Pharrell Williams and Giorgio Moroder are also on the line-up.
For more information, see http://www.wirelessfestival.co.uk/