Celebrity Big Brother 18 was the eighteenth series of the British reality television series Celebrity Big Brother, hosted by Emma Willis and narrated by Rylan Clarke-Neal . The series launched on 28 July 2016, just two days after the conclusion of Big Brother 17 on Channel 5 in the United Kingdom and TV3 in Ireland. The series ended on 26 August 2016, making it the longest summer series to date and the third-longest series of Celebrity Big Brother in its history, behind series 15 and 17, respectively. Rylan Clark-Neal continues to present the spin-off show Celebrity Big Brother's Bit on the Side. It is the eleventh celebrity series and the seventeenth series of Big Brother overall to air on Channel 5.