Also known as DeeDee, she is one of the original singers in the Vocal Group Hall of Fame band The Lennon Sisters. They performed regularly on The Lawrence Welk Show.
She and her group debuted in 1955. They had a charting 1956 single called "Tonight You Belong to Me."
After getting married, she left the group for four years (1960-1964). She then rejoined.
She was born Dianne Barbara. She married Dick Gass in 1960 and they had three children.
She sang alongside Mimi Lennon in The Lennon Sisters.