Robin Thicke: 'Blurred Lines' Was Best Selling Single of 2013!

Robin Thicke walks hand in hand with his adorable son Julian while stocking up on groceries at Bristol Farms on Friday (January 3) in West Hollywood, Calif.

Earlier in the day, the 36-year-old singer was spotted escorting his wife Paula Patton to her awaiting car.

PHOTOS: Check out the latest pics of Robin Thicke

It was recently announced that Robin‘s hit single “Blurred Lines” was the best selling single of 2013, with 6.5 million digital downloads.

In case you missed it, have a look at Robin looking handsome on the cover of Los Angeles Confidential‘s Grammy issue, out on newsstands now!

20+ pictures inside of Robin Thicke and Julian stepping out for a grocery run…