United Kingdom, March 26 -- Bella Ramsey received some "beautiful messages" after sharing their autism diagnosis.

The 21-year-old star was diagnosed with autism after a crew member on 'The Last of Us' - the hit HBO drama - spotted some symptoms of the condition, and Bella has received lots of supportive messages since sharing their diagnosis with the public.

Bella - who stars alongside Pedro Pascal in 'The Last of Us' - told 'Extra': "I've had some really beautiful messages from people, people that I've been able to talk to about that and give some hope and encouragement to, which has been really amazing.

"Like, young people who are struggling who have just been diagnosed and don't know what it means - it's been really nice to sort of ...