Shania Twain is an international superstar Who is Shania Twain? What is her background? Shania Twain was born Eilleen Regina Edwards on August 28, 1965, making her 51 years old. She is is a Canadian singer and songwriter. Shania has sold over 85 million records, making her the best-selling female artist in the history of country music and one of the best-selling music artists of all time. What are Shania Twain's biggest songs?