The first series of Celebrity Ex on the Beach began airing on 21 January 2020 with a 90-minute special. It concluded on 28 April following fifteen episodes, making it the longest series of the British franchise. The series was filmed in Marbella.
The series follows the cancellation of the tenth regular series, which was set to air in early 2019 but was cancelled due to the death of cast member Mike Thalassitis. None of the other cast members for the tenth series were announced.
The list of celebrity cast members was released on 9 December 2019. They include four men; Olympic athlete Ashley McKenzie, television personality Calum Best, The Only Way Is Essex cast member Joey Essex, and Love Island star Michael Griffiths, and four women; Love Island star Georgia Harrison, The Valleys star Lateysha Grace, playboy model Lorena Medina and Mob Wives star Marissa Jade. It was also announced that the exes joining the series would be celebrities.
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