Although Devon won a scholarship to attend a grammar school, she left early to assist in her father's business.
[1] The singer then joined the Oscar Rabin Band as a vocalist, and entertained British Armed Forces troops overseas.
After the war, she joined The Keynotes harmony group, and broadcast weekly on the BBC radio comedy programme Take It From Here.
On occasion, Burns and Devon sang together as a duo, in the manner created by the American husband and wife team Jackie Cain and Roy Kral.
[1] She helped her husband represent singer Cliff Richard, The Searchers, and The Zombies and promoted the British tours of Tony Bennett and Victor Borge.