Katy Perry has clinched the Christmas number one single in America by scoring a third week at the top of the charts with FIREWORK.
The newlywed has kept a surging Bruno Mars from the top of the Billboard charts - his Grenade moves up to two on the new countdown.
Mars and Rihanna both score top 10 doubles - Mars' Just The Way You Are moves up a spot to six, while Rihanna's What's My Name? drops to three and Only Girl (In the World) falls a spot to seven.
Pink's Raise Your Glass and Ke$ha's We R Who We R round out the new top five.