Beyonce Knowles has bagged the number one spot on two of Billboard's song charts.According to website reports, Knowles hit Single Ladies outshone the competition on both the Billboard Hot 100 and Hot R+B/Hip-Hop Songs chart, in its third and sixth week respectively.
Rapper T.I. held his spot on the Hot 100 at number two with his track Live Your Life, featuring Rihanna, while Lady GaGa's Just Dance remains at number three.
Rounding out the top five is Britney Spears, who continues her comeback with Womanizer, rising from number six to the fifth spot this week.
