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Cristiano Ronaldo is one of football's most popular personalities with millions of fans supporting him around the planet.

The 25-year-old Portugal captain and Real Madrid superstar is opened to the media on and off the pitch. Paparazzi are always around Cristiano Ronaldo to catch the latest story about him.

Those who follow the former Manchester United ace might feel like they are so close to CR9. But do they really know everything about him? Here's a chance to test your knowledge on Cristiano Ronaldo.

Check out ten things you should know about Cristiano Ronaldo and which you perhaps don't know yet!

(And by the way, have you heard of the Cristiano Ronaldo-Real Madrid tradition? Check out what it means here: http://www.livesoccertv.com/news/2935/cristiano-ronaldo-co-meet-shimon-peres-ahead-of-deportivo-vs-real-madrid/)