Jay Sean is back on top!

Jay Sean's "Down" returns to the top slot of the Billboard Hot 100 for a second time, just one week after Britney Spears' No. 1 debut bumped him to runner-up status. A predicted second-week digital sales dip (down 33%) sends Spears' "3" to No. 5 on the chart, even with radio play continuing to blossom. The suggestive track rises 49-25 on Hot 100 Airplay with a 44% audience increase.