“I think love is a really hard thing to define. I think it's multifaceted.”

British actress, model

Sienna Miller is a British actress who began her career as a model. She was born Sienna Rose Diana Miller, and became widely known in the mid-2000s through roles in film. Her breakthrough came with Layer Cake and Alfie in 2004. She later played Edie Sedgwick in Factory Girl and Caitlin Macnamara in The Edge of Love, and received a BAFTA Rising Star Award nomination in 2008. She also appeared as The Baroness in G.I. Joe: The Rise of Cobra in 2009, before taking a short break from screen work during a period of heightened tabloid attention.