Nintendo of Europe is having a little fun with the advertising campaign for New Super Mario Bros. 2 before the game is released on Friday. Can you guess which mystery celebrity is wearing Mario's famous moustache?

The answers have been flowing in all day on Twitter, but apparently nobody's got it right yet. Frankie Sandford, Emma Watson and Natalie Portman are a few celebs that you can knock off the guess list.

Reckon you're up for grabbing 15 seconds of internet fame? Join the game on Twitter under the hashtag #moustache. All will be revealed when New Super Mario Bros. 2 is released on 17th August.