Rhianna tops chart for ninth week

Rhianna tops for a ninth week
R&B sensation Rihanna dominated the singles chart for yet another week as her smash hit Umbrella fought off strong challenges for the number one spot.The Barbados popstar fended off Black Eyed Peas singer Fergie, who performed number two single Big Girls Don't Cry at Live Earth in London, and up-and-coming London singer-songwriter Kate Nash, who took third place with her single Foundations.Rihanna, whose tune features rapper Jay-Z, has now spent nine weeks at the top with her first UK number one and has just announced a 10-date UK arena tour.