Robin Thicke's Blurred Lines has achieved a 10th consecutive week at No 1 on the Billboard Hot 100 as it faces competition next week from Lady Gaga and Katy Perry's new tracks.

The cut featuring TI and Pharrell Williams has become the first track to lead the countdown for more than nine weeks since We Found Love by Rihanna featuring Calvin Harris in November 2011, but it may now be living on borrowed time with the market arrivals of Katy ...