Somehow this screams Florence Welch to me.  I love the bohemian vibe with the subtle hints of color.  The hat brings the entire outfit together.  Love it!

Boho style dress

maxnina.com

Vintage shoes

calypsostbarth.com

Crossbody handbag

$935 - unger-fashion.com

Helene Berman summer floppy hat

$145 - julesb.co.uk