Sienna Miller, a name known worldwide, is a British-American actress, fashion designer, and model. Born on December 28, 1981, in New York City, Miller moved to London with her family when she was just a year old. With a passion for the arts ignited at an early age, she studied at the Lee Strasberg Theatre and Film Institute in New York before making her acting debut in 2001. Miller's breakthrough came in 2004 with her role as Nikki in the romantic comedy film Alfie. Her performance earned her a nomination for a British Academy Film Award (BAFTA). From there, her career took off, and she was cast in notable films such as Layer Cake, Factory Girl, where she portrayed Edie Sedgwick, and American Sniper. She received a nomination for a BAFTA Television Award for Best Actress for her role in the television drama series The Girl in 2012. In addition to her acting career, Miller has also made a significant impact in the fashion industry. In 2007, she launched a fashion label called "Twenty8Twelve" alongside her sister, Savannah. The brand, named after Miller's birth date, was widely acclaimed for its bohemian chic style. Despite stepping away from the fashion business in 2012, Miller's influence on the industry remains undeniable. Throughout her career, Sienna Miller has proven herself to be a versatile talent, leaving an indelible mark both on the silver screen and the world of fashion.