Big Brother 18 (UK) is hosted by a woman.
Big Brother 2017 , also known as Big Brother 18 , is the upcoming eighteenth series of the British reality television series Big Brother , hosted by Emma Willis and narrated by Marcus Bentley . Emma Louise Willis ( née Griffiths ; born 18 March 1976 ) is an English television presenter and former model , best known for her television and radio work with Channel 5 , BBC , ITV and Heart FM . Willis has presented Big Brother and Celebrity Big Brother since 2013 , and she also presented spin-off show Big Brother 's Bit on the Side from its inception in 2011 until 2015 . She hosts the Sunday breakfast show on Heart FM with Stephen Mulhern .