Bruno Mars 'Grenade' to storm charts?

All eyes will be on Bruno Mars in this Sunday's Big Top 40 chart.

His new song 'Grenade', the follow up to 'Just The Way You Are' is available for download on Sunday. The question is will it go straight to No 1 on Sunday evening.

You can watch the video to Grenade here

The competition will come from last week's No 1, Rihanna and Drake, X-Factor winner Matt Cardle and the winner of the Critics Choice Award at the BRITs, Jessie J. Jessie is set to  for the most successful year of her life. Her tune "Do It Like A Dude" has been on the chart for a couple of weeks now but could this be the week she breaks into the top 10?

Join Rich and Kat this Sunday from 4 for officially the UK's number 1 chart show.

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