 In her second year of professional acting she was nominated for Outstanding Supporting Actress category for the 2012 Primetime Emmy Awards by HBO, but did not make the nomination shortlist.Williams did win the 2012 Portal Award for Best Supporting Actress – Television (at 15 years, the youngest actress ever to achieve this) and the Portal Award for Best Young Actor.In November 2013, she received the BBC Radio 1 Teen Award for Best British Actor.