Between 12 May and 13 August 2016, Madden appeared on stage in London's West End playing the part of Romeo in Romeo and Juliet, where he was reunited with his Cinderella costar Lily James, who played Juliet, and director Kenneth Branagh.
Entre 12 de maio e 13 de agosto de 2016, Madden subiu ao palco no West End em Londres para interpretar Romeu em Romeu e Julieta, reunido com a sua coprotagonista de Cinderela, Lily James, que interpretou Julieta, sob a direção de Kenneth Branagh.