Prince William & Kate Middleton: All the times the family coordinated outfits in summer 2017

Kate Middleton's flair for fashion never disappoints -- and lately, her husband has been the perfect accessory!

The Duchess of Cambridge always keeps us on our toes, freshening up her conservative looks with bold colors (occasionally even patterns!). And usually, Prince William doesn't factor in his wife's outfit when selecting his own. This has led to some pretty tragically mismatched looks. Like this one:

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Really, Wills -- taupe sport coat with a navy striped tie? There were countless other choices that would've beautifully complemented Kate's lovely yellow sundress!

But despite this July hiccup, most of summer 2017 has featured some excellent couples' coordination from the royal pair. In fact, wrapped up their Poland-Germany tour with their best dual look yet: Kate stole the show in a lilac flared number, but Will held his own with a perfectly-selected deep purple tie.

Later in the day, Princess Charlotte and Prince George joined their parents -- also wearing purples and pinks!

Check out the royal family's best coordinated looks of the summer in the slideshow below.