Elizabeth Taylor was 9 in There's One Born Every Minute when she played the character 'Gloria Twine'.
That was over 82 years ago in 1942.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
In 2011 she died aged 79, starring in 120 films in her career, 119 of those after There's One Born Every Minute was first released. If she were alive today she would be 92.
In There's One Born Every Minute, I think Elizabeth Taylor looks: