Sienna Miller The incredibly beautiful Sienna Miller is most well known for starring in hit films such as Layer Cake, Alfie, Factory Girl and The Edge of Love. Sienna has a fashion label with her sister, Savannah, which is called Twenty8Twelve (launched in 2007). Donated in: ← Sienna Miller Sigourney Weaver → Back to Celebrity Donors ← Michael Palin Tanya Burr →