When it comes to the ruffle trend, A-listers are showing volume control by pairing high-drama tops with low-key bottoms. Rihanna wore a halter from Thomas Wylde for a recent performance. "If you create volume on top, you then create skinny below," says the line's founder and head designer Paula Thomas. Rihanna played it perfectly in latex leggings. As Thomas noted, "[The top] gave the rock factor a chic edge."

BUY CARRIE'S TOP ONLINE NOW
Bebe silk-spandex ruffled halter, $69; at bebe.com.