Celebrity sisters Sienna and Savannah Miller pose for their portrait at the launch of their fashion label's latest collection: Twenty8Twelve. London F Stock Photo - Alamy
Twenty8twelve fashion collection hi-res stock photography and images - Alamy
Celebrity sisters Sienna and Savannah Miller pose for their portrait at the launch of their fashion label's latest collection: Twenty8Twelve. London F Stock Photo - Alamy
Sienna and savannah miller hi-res stock photography and images - Alamy
Savannah Miller London Fashion Week Spring/Summer 2011Matthew WilliamsonDepartures London, England Stock Photo - Alamy
Celebrity sisters Sienna and Savannah Miller pose for their portrait at the launch of their fashion label's latest collection: Twenty8Twelve. London F Stock Photo - Alamy
Celebrity sisters Sienna and Savannah Miller pose for their portrait at the launch of their fashion label's latest collection: Twenty8Twelve. London F Stock Photo - Alamy
Sienna Miller London Fashion Week Spring/Summer 2012 - Matthew Williamson held at the Tate Modern - Front Row London, England - 18.09.11 Stock Photo - Alamy
Celebrity sisters Sienna and Savannah Miller pose for their portrait at the launch of their fashion label's latest collection: Twenty8Twelve. London F Stock Photo - Alamy
Sienna Miller and her lookalike sister Savannah cut chic figures for clothing launch in London
Savannah miller hi-res stock photography and images - Alamy
Sienna Miller and her lookalike sister Savannah cut chic figures for clothing launch in London
Sienna Miller: Twenty8Twelve at London Fashion Week!: Photo 2239912, Savannah Miller, Sienna Miller Photos
Savannah and Sienna Miller London Fashion Week Spring/Summer 2011 - Twenty8Twelve - Backstage London, England - 18.09.10 Stock Photo - Alamy
British actress/designer Sienna Miller and designer Savannah Miller attend Twenty8Twelve Spring/Summer catwalk show at Fashion Week in London on September 18, 2010. UPI/Rune Hellestad Stock Photo - Alamy