PARTIESPhotos: The Belle of the BallA New York lunch celebrated actress Gugu Mbatha-Raw and director Amma Asante.by Vanessa Lawrence04.03.141Amma Asante, Stefano Tonchi, and Gugu Mbatha-Raw. Photo by Startraksphoto.com.2Tamron Hall. Photo by Startraksphoto.com.3Yaya DaCosta. Photo by Startraksphoto.com.4Olivier Theyskens and Yigal Azrouel. Photo by Startraksphoto.com.5Gugu Mbatha-Raw and Martha Stewart. Photo by Startraksphoto.com.6Star Jones and Amma Asante. Photo by Startraksphoto.com.7Tamara Mellon. Photo by Startraksphoto.com.