1. Robin Thicke - 'Blurred Lines'
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Top 10 Songs Of The Past Decade
10. 1. Robin Thicke - 'Blurred Lines'
Which means the biggest selling song of all time on iTunes in the UK is a song which spent 6 weeks at number 1 back in May 2013 and hung around for over HALF a YEAR. It's Robin Thickes infectious chat-topping classic 'Blurred Lines'.