Jack Ü (also known as Skrillex and Diplo) are an American DJ duo, side group and collaborative project, consisting of Mad Decent founder Diplo and OWSLA founder Skrillex, formed in 2013.Jack Ü performed at Ultra Music Festival Miami in 2014. They released their first official single "Take Ü There" featuring vocals from Kiesza on September 17, 2014. On February 3, 2015, the trio announced that they would be working with Missy Elliott on a remix to "Take Ü There".They released their debut album Skrillex and Diplo Present Jack Ü on 27 February 2015.