Shania Twain is a Canadian country pop singer. Her third album Come on Over is the best-selling album of all time by a female musician and the best-selling album in the history of country music. She is the only female musician to have three albums certified Diamond by the Recording Industry Association of America and is also the second best-selling artist in Canada, behind fellow Canadian Céline Dion, with three of her studio albums being certified double diamond by the Canadian Recording Industry Association.