We promise we'll stop raving about the daintiness of eyelet — just as soon as we've bought every dress and breezy top that we can find in the fabric. Next on our list? Kate Middleton's demure Zimmermann number. Because — freak out — it's available right now to shop ($520). And, because gazing longingly at one white, boho-tinged frock stirred a bit of inspiration, we couldn't help ourselves — we rounded up even more of our favorite stars sporting the trend. On that note, scroll down for the most elegant Summer style guide you've ever seen.