Robin Thicke & Pharrell Perform 'Blurred Lines' On The Graham Norton Show (w/Hayden Panettiere!)

Robin Thicke and Pharrell performed their smash hit “Blurred Lines” on UK's The Graham Norton Show, and Hayden Panettiere joined in as backup dancer.

“Blurred Lines” has become the fastest-selling single of the year in the U.K., debuting at number one and moving 190,000 copies in its first week on sale.

Thicke’s sixth album Blurred Lines is due July 30