Fans of Game of Thrones will know Maisie Williams as the fearless Arya Stark who doesn't let anybody get in her way, and it seems 18-year-old Maisie has quite a few similarities with her character.

The actress has just been unveiled as the new Always #LikeAGirl global ambassador and hopes to inspire teenagers around the world to be confident and unstoppable.

Williams made the keynote address at the New York Confidence Summit and had some inspiring words for young girls out there saying; “It’s time for society to stop telling girls what they should and shouldn’t do. The world is desperate for leaders, male and female. It's not about gender, it's about purpose. You have a responsibility, an opportunity to share your gifts with the world. People want what you've got. Believe it!

"The #LikeAGirl movement has done so much to elevate the conversation. Girls, we have to stick together, please support each other … You're allowed to be the most important person in your story. I applaud the work that Always is doing and am proud to join them in empowering girls to be confident and unstoppable #LikeAGirl."

The Always #LikeAGirl campaign launched in June 2014 was inspired by the insight that the start of puberty and the first period mark the lowest moment in confidence for girls and how harmful words can add to that drop in confidence. It demonstrated the profound effect the phrase “like a girl” can have on girls’ self-confidence and it inspired a movement, which has started to change public perception.

Check out Maisie's full speech below and the #LikeAGirl campaign video below that again;