The Cadét Sisters (pronounced ca-DAY) are an American a cappella, Seventh-day Adventist, Christian, Gospel group from Utah, United States. The Cadet Sisters music group has consisted both of current and former members including the sisters Natalie Cadet, Tatiana Cadet, Nadege Cadet, Michaelle Cadet, Melissa Cadet and Gianna Cadet. The Cadet Sisters have been singing together since 1990. Their singing career began in Chicago, Illinois, United States. The oldest sister, Natalie, four years old at the time, sang with Tatiana, then three years old.