The plot thickens.

Yesterday, the line-up for this year's Celebrity Big Brother was reportedly leaked and the names of the 13 famous faces featuring this year were revealed. However, in another twist, four more names have apparently been added to the line-up and it's been described as the 'most controversial yet'. According to The Daily Star, the below celebrities will join the 13 previously mentioned and it sounds like it's going to be complete mayhem. So who's going in? Ricky Norwood, whom Eastenders fans will recognise as Fatboy, is one of the celebs rumoured to be joining the others in the house alongside Loose Women's Saira Khan, who was a runner-up on 2005 series of The Apprentice. Former Talksport Radio DJ James Kent is also reportedly joining the line-up as is Storage Hunters' Colin Newell. These four new names will join the other celebrities who were revealed yesterday and in case you need reminding, you can check the list out below. Katie Waissel - came seventh in the 2010 series of X Factor Lewis Bloor - TOWIE fans will recognise him Samantha Fox - former glamour model, singer and actress Marnie Simpson - formerly of Geordie Shore Helen Lederer - comedian, writer and actress Renee Graziano - rose to fame on US reality show Mob Wives Aubrey O’Day - singer and songwriter Beth Chapman - of reality TV show Dog the Bounty Hunter Stephen Bear - if you watch Ex on the Beach, you'll recognise him Christopher Biggins - panto star Frankie Grande - dancer, actor and singer Chloe Khan - appeared on X Factor, a model with her own webcam business Grant Bovey -businessman and ex-husband of Anthea Turner