POPSUGAR Celebrity Sienna Miller Photo of Sienna Miller and Savannah Miller after their Twenty8twelve Show in London Designing Duo by Celebrity 2/23/09 0 Shares Like us on Facebook Sienna Miller and her sister Savannah waved to the crowd after their twenty8twelve fashion show in London on Sunday. Source: WireImage Read More Savannah MillerHotSienna Miller Sienna Miller The Prettiest Dresses We've Ever Seen Walked the Red Carpet at Cannes 28 All-White Looks to Master Just in Time For Memorial Day We Spy: Is 2015 Taylor Swift's Best Year Ever? Sienna Miller Breaks From Cannes Duties For Bikini Time Get the scoop with our daily newsletter Movies A-Listers Young Hollywood TV Sign up with By signing up, I agree to the Terms and to receive emails from POPSUGAR. emmar 6 years sienna looks cute...the line is quite good... jamie143 6 years i agree with Alexxandra, they dont look related at all tuscanstellina 6 years Anyone every checked out their line? minnie2011 6 years sienna is cute! minnie2011 6 years sienna is cute! Alexxandra 6 years Omg they look so different. Must say, Sienna got the better genes.