Beyonce Photo - (FILE) Beyonc named musics most powerful woman by BBC Womans Hour power list The superstar came first in a list of the industrys 40 most influential women thanks to her feminism activism and empowering musical messages LOS ANGELES CA USA - FEBRUARY 10 Singer Beyonce wearing an Osman black crepe jumpsuit with white panel detailing a Swarovski clutch Jimmy Choo shoes and Lorraine Schwartz jewelry arrives at the 55th Annual GRAMMY Awards held at Staples Center on February 10 2013 in Los Angeles California United States (Photo by Xavier CollinImage Press Agency)