Sienna Miller By Author Kelly Lynch at Dec 21, 2015 • Category Sienna Miller Photo via Will Alexander/Ricardo Vigil/WEN Credit:Will Alexander/Ricardo Vigil/WENN.comLocation:London, United KingdomCaption:Sienna Miller attend a Christmas party held at the home of Sir Mick Jagger in London, England on December 19th, 2015.Star:Sienna Miller