LONDON, ENGLAND - APRIL 27: Sienna Miller (L) and Tom Sturridge attend an after party following the press night performance of "American Buffalo" at The National Cafe on April 27, 2015 in London, England. (Photo by David M. Benett/Getty Images)
LONDON, ENGLAND - APRIL 27: Sienna Miller (L) and Tom Sturridge attend an after party following the press night performance of "American Buffalo" at The National Cafe on April 27, 2015 in London, England. (Photo by David M. Benett/Getty Images)