Flo Rida has ended Carly Rae Jepsen's nine-week reign at the top of the pop charts with his Whistle.
The track is Flo Rida's third Hot 100 number one and sends Jepsen's Call Me Maybe to number three, behind Ellie Goulding's Lights, which stays put at two.
Meanwhile, pop compilation Now 43 has scored the 16th number one for the Now That's What I Call Music! franchise in America.
The new release has debuted atop the Billboard 200 chart with 111,000 sales, toppling rapper Rick Ross' God Forgives, I Don't, which slips a spot to two on the new countdown.
Frank Sinatra's latest greatest hits collection, Nothing But the Best, debuts at three, just ahead of Elle Varner's Perfectly Imperfect, which enters the chart at four.
Country star Colt Ford makes it four new albums in the top five by debuting Declaration of Independence at five.