After Milly, NYC, September 2015.
Two great looks for summer: an oversized striped button down shirt with wide leg relaxed pants (see more of her look here), or a pretty button front white lace dress and timeless espadrilles. 
Recreate the look (kind of):
White button front dress — LoveShackFancy Cotton Crochet lace Eden dress, Burberry Brit Pleated cotton-blend dress, Paul & Joe Crochet-trimmed maxi dress, Nanette Lepore All Laced Up dress, Rebecca Taylor sleeveless pintucked lace trim midi dress, Chinti and Parker Pinktuck shirtdress, or Sea crochet-trimmed cotton maxi dress (not button front but so bohemian and pretty!). 
Black espadrilles — Soludos Leather espadrilles, Castaner Carina canvas wedge espadrilles, Club Monaco Vonna espadrille wedges, Soludos Espadrille sandals, ASOS Jessica lace up espadrilles,Saint Laurent Studded leather espadrilles, or Givenchy Chain-embellished espadrilles