Pop sensation Katy Perry and hitmaker Pharrell Williams have both been appointed celebrity co-chairs of the 2017 Met Gala. 

The event, which takes place annually as a fundraising gala for the Metropolitan Museum of Art's Costume Institute in New York City, always has a theme and the next one will celebrate designer Rei Kawakubo and the "Art of the In-Between".

In May this year, the 'Teenage Dream' beauty told People Style that she loves the freedom that comes with creating an outfit for the Met Gala:

"For me, Met Gala, it’s great, it’s so much fun, it’s the best party, but you’re a little bit beholden to designers you know. When I create my own costumes for tour, it’s like whatever the f**k I want to do. It’s just like larger than life. It’s like: Can it move, can it smell, can it — blah, blah, blah, blah?”

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Watch Katy Perry's Funny or Die sketch below: