 Williams made her professional stage debut in 2002, aged 18, playing leading lady Truly Scrumptious in the original cast of the West End production of "Chitty Chitty Bang Bang" at the London Palladium, winning the Arts Correspondent Award for Best Newcomer.Williams was signed to play Maria von Trapp under a 6-month contract.However, the winner of the BBC reality TV show "How Do You Solve A Problem Like Maria?"