Emma 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 since 2013, and she also presented spin-off show Big Brother's Bit on the Side from its inception in 2011 until February 2015. Since 2014, she has co-presented The Voice UK alongside Marvin Humes.