StyleWatchStar Nail Colors

ColorsHollywood's trendsetters (Rihanna, Eva, Hilary) are showing off the hottest nail hues for summer. By Melissa Liebling-Goldberg

Credit: Jemal Countess/WireImage

Updated: Thursday Sep 20, 2007 | 06:00 AM EDT

Rihanna's perfectly rounded nails are nothing to joke about – the deep color adds a vibrant hit to any outfit.