Nicola Rachele-Beth Grahame ( born 28 April 1982 ) from Watford , Hertfordshire rose to fame in the UK when she was chosen to be a housemate on Big Brother 7 in 2006 . Nicola Rachele-Beth Grahame ( born 28 April 1982 in Watford , Hertfordshire ) is an English model , columnist and television personality , who rose to fame in the UK when she was chosen to be a housemate on Big Brother 7 in 2006 .