Robin Thicke's "Blurred Lines" was the best selling single in the UK last year.
"Robin Thicke’s Blurred Lines FT TI and Pharrell Williams was the biggest selling single of 2013, clocking up sales of more than 1.47 million copies since it debuted at Number 1 on the Official Singles Chart back in June. It spent five non-consecutive weeks at the top spot, and is also the longest running Number 1 of 2013," The OCC reports.
Katy Perry's "Roar" (no. 6); Justin Timberlake's "Mirrors" (no.10), and Rihanna's "Stay" (no. 22) also made the top 40 list.
As previously reported, Thicke also topped lists in the U.S., including the R&B Digital Songs end of year, 2013, chart.