Leah Castles has 12 Anne-Marie concerts.

Essex, England-born Anne-Marie Nicholson was no stranger to performing by the time her debut EP dropped in 2015, having shared the stage as a 12-year-old with none other than Jessie J in a West End production of Whistle Down the Wind. She also auditioned for Les Misérables without telling her parents, and was offered a part. It was a risk that paid off, as it served to open her parents' eyes to her singing ability. Aside from West End commitments...