Scarlett Strallen performs "Glitter and be Gay'' at the BBC Proms

Last month, John Wilson and his orchestra joined with West End stars Julian Ovenden, Louise Dearman and Scarlett Strallen to celebrate the work of Leonard Bernstein.

Check out this footage of Scarlett singing "Glitter and be Gay" from Candide - a show for which she won the WhatsOnStage Award for Best Actress in a Musical in 2014.