Millie Bobby Brown has been appointed as UNICEF's youngest ever Goodwill Ambassador on World Children's Day 2018, joining a list of ambassadors including David Beckham, Orlando Bloom and Shakira to help raise awareness of children’s rights and issues affecting youth.

The Stranger Things star, who's supported the organisation since 2016, commented 'It’s a dream come true to become a UNICEF Goodwill Ambassador... I am looking forward to meeting as many children and young people as I can, hearing their stories, and speaking out on their behalf'.