The Duchess of Cornwall has been announced as Royal patron of Roald Dahl's Marvellous Children's Charity.

The charity announced the appointment during a visit to Clarence House to help Camilla decorate her Christmas tree, and posted on Twitter 'We are honoured to announce that HRH The Duchess of Cornwall is now the #Royal #Patron of our charity! A Huge thank you to @ClarenceHouse for all your support so far, you're #marvellous!'.