3. Carly Rae Jepsen - 'Call Me Maybe' (SINGLE)
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Billboard Reveals Biggest Albums And Singles Of 2012
15. 3. Carly Rae Jepsen - 'Call Me Maybe' (SINGLE)
Canadian star and Justin Bieber signee Carly Rae Jepsen captured the world with her catchy hit 'Call Me Maybe'. As well as seeing stars such as Katy Perry and actor James Franco produce their own cover versions, the song has sold 4.06 million copies this year already.