Heather Anne Mills (born 12 January 1968) is an English entrepreneur and environmentalist.Mills came to public attention in 1993, when a collision with a police motorcycle in London resulted in the amputation of her left leg below the knee. She continued to model using a prosthetic limb and sold her story to a tabloid newspaper.She came to further public attention in 2000 when it became public that she was in a relationship with former Beatle Sir Paul McCartney. They married in June 2002 and Mills gave birth to Beatrice Milly McCartney on 28 October 2003. The couple separated in 2006 and finalised their highly publicised divorce in 2008.After her marriage to McCartney, Mills became involved in animal rights advocacy and as of 2012 is a patron of Viva! (Vegetarians' International Voice for Animals) and the Vegetarian and Vegan Foundation. She is also vice-president of the Limbless Association and skied in the British disabled ski team's development squad for the 2014 Winter Paralympic Games.