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Former Quebec premier Lucien Bouchard hugs his wife Audrey Best after the 1995 referendum. ((Canadian Press))

The wife of past Quebec premier Lucien Bouchard has died of breast cancer.

Audrey Best died Tuesday afternoon at the Montreal Jewish General Hospital.

She was 50.

Best and Bouchard separated several years ago.

Canadians will remember her from the 1995 referendum campaign, when she was usually by Bouchard's side. 

Best was born in France to to an American father and a French mother.

She met Bouchard when he was Canada's ambassador in Paris, and she was working as a flight attendant.

They married while Bouchard served in former Prime Minister Brian Mulroney's cabinet.

She attended law school and worked for the Montreal firm of Heenan-Blaikie.

Best and Bouchard have two sons, Alexandre and Simon.