Style Showdown: Jane vs. Stella
The same dress was donned by Stella McCartney herself at the Royal Academy of Arts Summer Exhibition Preview Party last year.
While both ladies paired the dress with black sandals, the dress and sash seem to fit Stella better overall. Perhaps that's just one of the perks of being the designer.
Photos (left to right): Henry S. Dziekan III/WireImage; Nick Harvey/WireImage