Kirsten Dunst promoted her new flick Bachelorette in NYC in a retro black-and-white-striped knee-length Dolce & Gabbana dress and black satin pumps. But what really took her outfit to sassy heights were dramatic Tom Ford black cat-eye sunglasses ($360) and her bright-yellow belt. Kirsten's look is totally appropriate for the office as well as a luncheon, so take your striped dress to spunky territories by cinching it with a bold belt. Get Kirsten's exact look by shopping similar pieces below. For a striped dress that won't break your bank, look no further than this Old Navy striped dress ($25).