THE Black Eyed Peas star Fergie is still riding high at the top of the US singles chart after scoring the top spot for a second week. The singer's LONDON BRIDGE hit ended Nelly Furtado's summer-long reign at number one last week (10AUG06) and leads an unchanged top five, with Gnarls Barkley's CRAZY stuck at two, Furtado's PROMISCUOUS refusing to drop further at three, Cassie's Me + U steady at four and THE Pussycat Dolls unmoved at five with BUTTONS. Justin Timberlake's SEXYBACK is the Billboard Hot 100's greatest airplay gainer, while The Killers score the top debut at number 29 with WHEN YOU WERE YOUNG.