Right now, I’m all over the “Katy Perry pin-up girl” look. The new look for this spring/summer is all about the onesies and sweetheart necklines. Along with the influx of breezy dresses and jumpers in stores, I’ve been spotting the arrival of a warm-weather essential both anticipated and dreaded: the bathing suit. But despite what’s strutting down the runway in New York, the trend this spring isn’t about the “squint-and-you’ll-miss-it” bikinis, for once. Designers like Michael Kors, Diane Von Furstenberg, and Dolce & Gabbana all flaunted retro, pinup-girl-inspired swimwear: high-waisted bikinis, demure one-pieces, and skirted silhouettes.