Big Brother has become known for its legendary rows and the celebrity version of the show is certainly no different. And this is explains why the iconic fall out between Nicola McClean and Denise Welch is still a talking point 13 years later. The feud, which played out on national television, saw Nicola jump to the defence of fellow housemate Karissa Shannon after Denise played a booze fuelled prank on her. Denise had tried to pull down Karissa's trousers, which left the unbeknown housemate