LADY GaGa has ended Flo Ridas six-week reign at the top of the US singles chart. Her track 'Poker Face climbs from two to one this week, becoming her second consecutive US chart-topper. She previously reached number one with 'Just Dance, which remains in the top ten this week at nine. Behind GaGa, Flo Rida slips to two with 'Right Round, while Soulja Boy holds steady at three with 'Kiss Me Thru The Phone. Meanwhile, Ciara and Justin Timberlakes 'Love Sex Magic enters the top ten this week, leaping from 27 to ten. Notable gains outside of the top ten come from Kid Cudi, who vaults from 18 to 11 with 'Day N Nite, and BeyoncT, who climbs from 28 to 23 with 'Halo. Top ten singles 1. (2) Lady GaGa: 'Poker Face 2. (1) Flo Rida ft. Ke$ha: 'Right Round 3. (3) Soulja Boy Tell 'em ft. Sammie: 'Kiss Me Thru The Phone 4. (4) T.I. ft. Justin Timberlake: 'Dead And Gone 5. (7) Jamie Foxx ft. T-Pain: 'Blame It 6. (5) The All-American Rejects: 'Gives You Hell 7. (6) Kelly Clarkson: 'My Life Would Suck With out You 8. (11) Miley Cyrus: 'The Climb 9. (10) Lady GaGa ft. Colby ODonis: 'Just Dance 10. (27) Ciara ft. Justin Timberlake: 'Love Sex Magic