Pharrell Williams and Robin Thicke were just ordered to pay Marvin Gaye's estate $7.2 million because of copying Gaye's song for 'Blurred Lines.'

Now there is speculation that Pharrell's 'Happy' was a knock off of Marvin Gaye's 'Ain't That Peculiar.' The family said the songs sound similar but had no plans to pursue legal action.

Check out both songs and come to your own conclusion.

Marvin Gaye: 'Ain't That Peculiar'
Pharrell Williams: 'Happy'