Paisley rocks out at New York's famed Madison Square Garden. Plus: Justin & Jessica, Ashlee Simpson, Kim Kardashian and more


Nicole Kidman steps in to her role as goodwill ambassador with ease on Wednesday, testifying about international violence against women before the House Foreign Affairs Committee in Washington, D.C. The actress, who was honored with her the position back in 2006, works with the U.N.'s Development Fund for Women (UNIFEM).