Pharrell wore a black version of his Vivienne Westwood "Mountain" hat at last night's Oscar's, but his brown version from the Grammy's made news yesterday when roast beef sandwich fast food chain Arby's bought the oversized headwear for $44,100 on eBay

Proceeds from the sale benefit From One Hand to AnOTHER, a group Pharrell founded in 2008 to help underserved youth get access to technology, arts, and resources.

Here's a video that was made to promote the eBay auction: