Usher’s fans have yet another reason to scream “OMG!”. The R&B crooner has just achieved his 9th #1 single on the Billboard Hot 100 as ‘OMG (Ft. will.i.am)’ has climbed to the chart’s summit. Usher is now tied with Sir Elton John in 8th place among artists with the most #1 records on the Billboard Hot 100. {Source}