Cannes 2015: Sienna Miller in Balenciaga at Jury Photocall

We realize she’s been the just recipient of a lot of backlash for being crowned some sort of fashion icon by Lady Wintour absent any evidence she deserved the honor, but we’ve gotta say, this is a killer look:   Sienna Miller attends the Jury photocall during the 2015 Cannes Film Festival in Cannes, France …