Earlier today (February 4), Billboard magazine revealed that Katy Perry has been added to the line-up for this weekend's GRAMMY Awards and more light has been shed on her upcoming performance.

Billboard explained that she will treat ceremony attendees and viewers alike to a rendition of 'By The Grace Of God' in what will be a "highly visual spectacle with dance elements playing a central role".

Perry blew everyone away on Sunday night with her Super Bowl Half Time concert, which has now been named the most watched Super Bowl event in television history. It was watched by 114.4 million people - over two million more than last year's Super Bowl, which featured Bruno Mars.

Tweeting about this amazing fact during the week, the 'Teenage Dream' beauty confessed that she is overwhelmed at how well received her set was: "MOST WATCHED SHOW IN US HISTORY?! Whelp, I gotta keep reminding myself I put my pants on leg at a time... But, yes I am incredibly proud!"

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Watch footage of her Super Bowl Half Time performance here: