Diamonds still bright for Rihanna at the top of pop charts

Rihanna's Diamonds are still shining brightly at the top of the charts.

The R+B beauty has scored a third week at number one on the Billboard Hot 100 countdown.

Bruno Mars' Locked Out of Heaven rises to two, while Ke$ha falls a spot to three with Die Young.

Maroon 5 and The Lumineers round out the new top five, while Britney Spears has another major hit on her hands after debuting her Scream + Shout collaboration with will.i.am at number 12.

The song leaps to number one from 66 on the Billboard Digital Songs chart - the greatest jump in the chart's archives.