Blue Mink were a British six-piece pop group that existed from 1969 to 1977. Over that period they had six Top 20 hit singles in the UK Singles Chart, and released five studio based albums.

Madeline Bell (born July 23, 1942), was lead singer. An American soul singer, Madeline arrived from the United States in the gospel show Black Nativity in 1962, with the vocal group Bradford Singers.
In 1968, Bell sang background and duet vocals on a number of Serge Gainsbourg songs, including “Comic Strip”, “Ford Mustang” and “Bloody Jack”. In 1969, she contributed backing vocals on the Rolling Stones song “You Can’t Always Get What You Want” and she also provided backing vocals on a number of Donovan recordings, notably his 1969 hit single “Barabajagal”, recorded with The Jeff Beck Group.
Bell was the voice behind the 1980s advertising campaign for Brooke Bond D, a brand of tea bag in the UK. The music was composed by Ronnie Bond. She also provided vocals on the jingles of another 1980s advertising campaign, British Gas’ Wonderfuel Gas, which began in 1982.

In 1973, Bell fronted the BBC television series Colour My Soul which aired on BBC Two, which ran for nine episodes through to 1974.