Looking for a rapid wardrobe upgrade to see out the rest of the sunny days? Over here! Everyone's wearing felt hats, which in the summer months might seem like a sweaty no-no, but in fact, looks like the ideal cherry on top to any outfit right now. Plus, continue wearing floppy hats and fedoras into next season, and you'll be ahead of the game on Fall '14's '70s trend. Place far back on your head like Cara Delevingne (revealing your bangs is good), or alternatively wear low so you can style it out under your wide-brimmed shade like Cara's new bestie Selena Gomez.

Looking for another simple style refresh? Try geometric jewelry on for size.

Clockwise from top left: model Shu Pei, Behati Prinsloo, Cara Delevingne, Sarah Ann Macklin and Selena Gomez.