<Tr> <Th> 10 </Th> <Td> Ruby Wax </Td> <Td> 4 October 2017 (2017 - 10 - 04) </Td> <Td> 4.47 </Td> </Tr> <P> On 10 May, the celebrities taking part in Series 15, which will air during the summer of 2018, were revealed as Olivia Colman, Boy George, Michelle Keegan, Robert Rinder, Marvin Humes, Shirley Ballas, Lee Mack and Jonnie Peacock . </P> <Table> <Tr> <Th> #</Th> <Th> Celebrity </Th> <Th> Original air date </Th> <Th> Viewers (millions) </Th> </Tr> <Tr> <Th> </Th> <Td> Michelle Keegan </Td> <Td> 6 June 2018 (2018 - 06 - 06) </Td> <Td> TBA </Td> </Tr> <Tr> <Th> </Th> <Td> Olivia Colman </Td> <Td> 9 July 2018 (2018 - 07 - 09) </Td> <Td> 4.19 </Td> </Tr> <Tr> <Th> </Th> <Td> Lee Mack </Td> <Td> 16 July 2018 (2018 - 07 - 16) </Td> <Td> 4.31 </Td> </Tr> <Tr> <Th> </Th> <Td> Boy George </Td> <Td> 25 July 2018 (2018 - 07 - 25) </Td> <Td> 4.54 </Td> </Tr> <Tr> <Th> 5 </Th> <Td> Shirley Ballas </Td> <Td> 30 July 2018 (2018 - 07 - 30) </Td> <Td> TBA </Td> </Tr> <Tr> <Th> 6 </Th> <Td> Marvin Humes </Td> <Td> 6 August 2018 (2018 - 08 - 06) </Td> <Td> TBA </Td> </Tr> <Tr> <Th> 7 </Th> <Td> Robert Rinder </Td> <Td> 13 August 2018 (2018 - 08 - 13) </Td> <Td> TBA </Td> </Tr> <Tr> <Th> 8 </Th> <Td> Jonnie Peacock </Td> <Td> 20 August 2018 (2018 - 08 - 20) </Td> <Td> TBA </Td> </Tr> </Table> <Tr> <Th> #</Th> <Th> Celebrity </Th> <Th> Original air date </Th> <Th> Viewers (millions) </Th> </Tr>

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