In the summer of 2003, Pinder, was spotted by a freelance photographer while sunbathing on Bournemouth beach. As a result of the photographs taken that day, she signed a professional modelling contract with Daily Star.
From the beginning of her career, Pinder was regularly partnered with Michelle Marsh, with whom she has appeared in magazines, television and corporate appearances. Pinder was also featured with other glamour models, including Danielle Lloyd, Sophie Howard, Jana Defi, Lindsey Strutt, and Saskia Howard-Clarke.
From September to December 2007, Pinder presented a short nightly programme for Nuts TV called "Book at Bedtime", which is based on a long-running BBC Radio 4 programme. She read a passage from a well-known novel.
From 2 January 2009 she appeared in the sixth series of Celebrity Big Brother UK. She revealed that she is "a bit of a Tory bird" and that 'thick' people irritate her. She was the first housemate to be voted out, on 9 January (Day 8) with 57% of the public vote.