Sienna Rose Diana Miller born on 28 December 1981 in New York City. She is a citizen of United States of America and United Kingdom. Sienna Miller was educated at Heathfield School, Lee Strasberg Theatre and Film Institute and Francis Holland School.
She is a British-American actress.
She has one sibling Savannah Miller.
Sienna Miller has worked as a film actor, voice actor, stage actor, television actor, model, actor, fashion designer and socialite.
She is also known as Sienna Rose Diana Miller.