Danish stylist Alexandra Carl, before Celine, Paris, October 2015.
Classic with lots of gorgeous little details: beautiful statement earrings, Balenciaga's classic open-toe sandals and a glorious blue Loewe clutch. 
Recreate Alexandra's look (kind of):
White shirt: Chalayan Asymmetrical split-back shirt, Fendi stretch-cotton poplin shirt, Toteme Capri cotton-shirt, Bella Dahl Split-back shirt, Leith High/Low Tunic shirt, or Opening Ceremony open-back shirt
Balenciaga black and white glove leather open toe sandals (in black and white) or plain black