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3 December 2012, 16:59
The 'Just the way you are' singer has announced his latest song online.
Bruno Mars has revealed a brand new song 'When I Was Your Man' via social networking site Twitter.
He tweeted to his 13 million followers: "Soon you guys will hear a song I wrote called When I Was Your Man. I've never been this nervous. Can't explain it"
His latest song 'Locked Out Of Heaven' claimed the number one spot on yesterday's Vodafone Big Top 40 Chart (2nd December) for the second time.
The star, who wrote songs for artist Brandy and sang backup vocals for the Sugababes before pursuing his own chart success, has had a string of hits including 'The Lazy Song' and 'Billionaire'.
Check out a photo of Bruno Mars performing on stage below (Credit:PA Photos)
'When I Was Your Man' is taken from his upcoming album 'Unorthodox Jukebox', which is out one week from today (10th December).
Bruno Mars will be appearing at Capital's Jingle Bell Ball on Saturday 8th December at London's O2 Arena.
Listen to Bruno Mars' new song 'When I Was Your Man':