These days, everywhere we turn it's polka dots are "the new 'IT print," but if you've been on the Internet at all over the past few years—and a DLC fan—they're nothing new to you. 

Still, embracing the polka-plunge takes confidence. The print is inherently bold and playful—a stark contrast to the clean girl-quiet luxury aesthetic we collectively adopted this time last year. Polka dots first made their way into the mainstream in the early...