The actresses brighten up the scene at a New York City bash. Plus: Prince William, Emma Watson, Shakira, Kourtney Kardashian and more


After revealing intimate details of her relationship with beau Gerard Piqué, The Voice's Shakira shows off two outfits – including the fringe number (right) she wore in her "Waka Waka" music video – that she donated Tuesday to the Hard Rock Café's memorabilia collection in Hollywood.