Cash Money/Universal Republic UK singer Jay Sean has turned his silky, sultry “Down” (featuring Cash Money Icon Lil Wayne. ) into incandescent platinum, with the #1 single minted this week at the coveted 1 million mark, certified by the RIAA. The breakthrough hit has scored the year’s most impressive array of milestones for a UK artist’s stateside debut, the fastest rising, best performing single of 2009. Jay Sean’s U.S. debut album, All Or Nothing, will hit stores and digital/mobile destinations on November 24th.