Big Bangs At The Top Of The U.S. Christmas Pop Chart

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December 23, 2010 | 6:15pm EST

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.