Katy Perry has followed up her double win at the People's Choice Awards on Wednesday night (05Jan11) by returning to the top of the U.S. pop charts.
The star's Firework claims a fourth non-consecutive week at number one after trading places with Bruno Mars' Grenade.
Perry picked up Favourite Female Artist and Favourite Online Sensation honours at the People's Choice Awards.
The rest of the Billboard Hot 100 top five is unchanged from last week (end02Jan11) with Ke$ha's We R Who We R, Rihanna's What's My Name and Raise Your Glass by Pink all holding firm at three, four and five, respectively.
Big Time Rush score the chart's highest debut honour by bowing at 79 with Big Night.