Effective period / Period of releases: 2013 - 2014

Members: George Shelley (2), Josh Cuthbert, Jaymi Hensley, JJ Hamblett

Union J are an English boy band, consisting of members JJ Hamblett, Jaymi Hensley, George Shelley and Josh Cuthbert. Shelley left the group in 2016 and was replaced by Casey Johnson, who left several months later. Cuthbert left the group in 2018 leaving the band as duo until they disbanded in 2019.
On 31 January 2022 Union J confirmed they would be reforming to celebrate their tenth anniversary with Shelley and Cuthbert rejoining the group who respectively left in 2016 and 2018.

JJ Hamblett (2011-2019, 2022-)
Jaymi Hensley (2011-2019, 2022-)
Josh Cuthbert (2011-2018, 2022-)
George Shelley (2012-2016, 2022-)
Casey Johnson (2016)