Beyonce, Jay-Z, JLo, Madonna and others participate in a benefit concert promoting girls'and women's rights.

Beyonce performed 'Crazy In Love' along with husband Jay-Z JLo, Mary J. Blige and John Legend were among the performers Benefit concert held to promote girl's and women's rights Some of the biggest names in music and movies -- including Beyonce, Jay-Z, Jennifer Lopez, Madonna and Salma Hayek -- came together at London's Twickenham Stadium Saturday to participate in a benefit concert promoting girls' and women's rights. Beyonce, who headlined the event, hit the stage in a form-fitting leather bodysuit and wowed the crowd with covers of Sam Cooke's "A Change Is Gonna Come" and the Etta James classic "At Last." "I'm Beyonce Knowles-Carter and I chime for change," she said as she took the stage. Her set kicked into high gear with"Single Ladies (Put A Ring On It)," ''Run The World (Girls)," ''Halo," the Destiny's Child classic "Survivor," and her new song, "Grown Woman." Her husband Jay-Z also joined her onstage for their chart-topping 2003 hit, "Crazyin Love." Jennifer Lopez energized the crowd of approximately 50,000 with her new song "Live It Up," and she later joined Mary J. Blige on The Beatles' "Come Together." Jennifer Lopez performs at The Sound of Change Live benefit concert at London's Twickenham Stadium on Saturday. (Photo: AP/Jon Furniss, Invision) The concert also featured music by John Legend, Florence + The Machine, Rita Ora, Ellie Goulding, Timbaland and Duran Duran's Simon Le Bon, among others. Madonna, James Franco, Jada Pinkett Smith, Jessica Chastain, Freida Pinto, Aishwarya Rai, and newlyweds Ryan Reynolds and Blake Lively were amongthe presenters. Feminist icon Gloria Steinem also took the stage, and Britain's Prince Harry appeared in a videotaped segment. Along with actress-producer Salma Hayek and Gucci creative director FridaGiannini, Beyonce is a co-founder of the Chime for Change charity. According to the charity's website, its mission is to raise funds to and promote women's empowerment around the world. Its main focus includes expanding access to education, health care and justice for women and girls.