In 2006, she designed a fashion capsule for Pepe Jeans. Born in New York City, Miller moved to London with her family when she was just over a year old. Miller signed a two-year contract with Pepe Jeans London; the jeans ad campaign first appeared in magazines March 2006. in February 2009, Hugo Boss Fragrances announced that Miller would be the new ambassador for their women’s BOSS Orange women’s perfume. in 2008, Miller appeared in the film version of writer Michael Chabon’s novel, The Mysteries of Pittsburgh and filmed The Edge of Love, with friend Keira Knightley, a biopic of Dylan Thomas in which she plays his wife Caitlin. She starred as Patricia in the London production of Flare Path at the Theatre Royal Haymarket in 2011. in 2006, it was announced that Miller would design a fashion capsule for Pepe Jeans; the project was later expanded to become a complete fashion label. The collection, which Miller designed with her sister Savannah, a professional fashion designer, launched in September 2007.
