Dagmar (born March 24, 1955) is a Puerto Rican television host, actress and singer. Dagmar Rivera was born in Brooklyn, New York, and raised in Dorado, Puerto Rico. She started her career as a young singer in 1976. The only hit single of her first album was Soy la Mañana (I'm the Morning), by Puerto Rican composer Rafi Monclova. She was also a member of a vocal group called: Allegro alongside Tito Lara, Angel "Cuco" Peña & Lunna, among others, the gospel group: Spiritual, and the female vocal trio: The Masterpiece.