Sienna Miller

Sienna Miller is a British-American actress, model, and fashion designer known for film roles in the 2000s and 2010s, including *Layer Cake*, *Alfie*, *Factory Girl*, and *American Sniper*.

Sienna Miller is a British-American actress, model, and fashion designer known for film roles in the 2000s and 2010s, including *Layer Cake*, *Alfie*, *Factory Girl*, and *American Sniper*. She was born in New York City and raised in London, and she later became known for her influence on early-2000s fashion style.

What it is

Sienna Miller (born December 28, 1981) is a British-American actress, model, and fashion designer. She made her screen debut in *South Kensington* (2001) and gained wider attention in 2004 with roles in *Layer Cake* and *Alfie*. Her filmography includes *Factory Girl*, *The Edge of Love*, *G.I. Joe: The Rise of Cobra*, *American Sniper*, and *The Lost City of Z*. She also co-founded the fashion label Twenty8Twelve with her sister Savannah Miller.

Why it matters

Miller is a notable figure in both film and fashion. Her early-2000s boho chic style influenced trends, and her acting career spans mainstream and independent projects. She remains a familiar international screen figure for Canadian audiences, with her films receiving theatrical and streaming releases in Canada.

Key details

Miller was born in New York City and raised in London. She worked as a model before and alongside acting. Her television work includes *The Girl* and *Extrapolations*. She is known for her public profile through fashion coverage and ongoing roles.