Nicola Rachele-Beth `` Nikki '' Grahame ( born 28 April 1982 in Watford , England ) is a British model , author , 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 .
Nicola Rachele-Beth `` Nikki '' Grahame ( born 28 April 1982 , Watford , Hertfordshire ) is a British television personality . She rose to fame in the UK when she was chosen to be a housemate on `` Big Brother 7 '' in 2006 .