After Dior, Paris, September 2016.
More images of this fluid sleepyhead  → street outfit here. 
Recreate her look (kind of):
Pajama-style dressing: F.R.S. For Restless Sleepers Temi printed silk-twill shirt + F.R.S. For Restless Sleepers Tartaro printed pants, La Ligne The Francoise crepe shirt, Anine Bing Striped Pajama pants + Anine Bing Striped Pajama shirt, Derek Lam 10 Crosby Pajama blouse + Derek Lam 10 Crosby Wide leg pajama pants, Valentino Panther-print pyjama top + Valentino Panther-print wide leg trousers, Whistles Slyvia Pajama silk shirt, or Katie Eary Geo-print silk satin pyjama set