Who are these famous fans spotted in sporting arenas?

Pop sensation Harry Styles was a surprise guest at Kenilworth Road as Luton Town faced Manchester United at the weekend.

The Cheshire-born star, who is a United fan, was spotted eating mints and laughing with former Luton players.

But he isn't the only star who drops into sporting arenas to cheer on their team...

We have hidden the faces of these celebs. Can you decipher the clues and identify the famous sports fans?

If you can't see the quiz, click here.