40 best-selling singles of 2010

The best-selling tracks of 2010 (as of Dec 19th) 40. Lady Gaga - 'Alejandro'. The third single from her 2009 EP 'The Fame Monster', it charted at Number 75 in the UK Singles Chart prior to its official release, due to digital sales. The song eventually peaked at Number Seven in the UK.

• Added: Dec 21, 2010

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