Pharrell Williams arrived at the 56th Annual Grammy Awards on Sunday night in a casual ensemble that was topped off with a tan hat that caused a sensation.

Pharrell Williams' Grammy Hat

Pharrell's outfit, which included brown lace-up boots, jeans, and a white t-shirt under a red track jacket, received ample attention because of the oddly shaped brown hat he sported on top of his head. Whether he was walking the red carpet with his new wife Helen Lasichanh or accepting awards on behalf of Daft Punk, it was the hat everyone wanted to know more about.

Check Out Uinterview's 2014 Grammy Awards Slideshow

Was he trying to channel Smokey the Bear? Woody from Toy Story? Fast food chain Arby’s believed that Pharrell must be a frequent idler in their drive-thru lines. “Hey @Pharrell, can we have our hat back?” the company tweeted. Pharrell, good-humoredly, responded with a pun.