So what do tastemakers think of the Stella McCartney outfit actress Sienna Miller wore to the “Casanova” premiere? InStyle calls it “reminiscent of the sex-kitten getup Olivia Newton-John donned for the closing number of ‘Grease.’” Go Fug Yourself counters that praise, calling Sienna’s outfit a “hip-widening, breast-ruining monstrosity.”
