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18 December 2012, 17:47
The artists all feature in the finance publication's annual look at the biggest achievers in music.
Adele and One Direction are among the British stars who feature in Forbes' 2012 edition of their 30 under 30 list – which highlights the biggest achievers in music over the past twelve months.
The 'Rolling In The Deep' star was commended for shifting 27 million copies of her second studio album '21' worldwide with Canadian star Justin highlighted for his new album 'Believe' and current world tour.
One Direction, who became the first British band in history to have an album chart straight at number one this year also make the list, which also includes Harry Styles new girlfriend Taylor Swift.
Drake, Bruno Mars and Frank Ocean also feature as does female star Katy Perry and Swedish dance star Avicci.
Meanwhile, Adele is rumoured to be working on her new studio album following the birth of her first child with boyfirend Simon Konecki.
Check out the full list of musicians who made Forbes' 30 Under £0 list for 2012 below: