The England international decided to go to Spain from Borussia Dortmund in the summer.
Bellingham has been a revelation so far at the Santiago Bernabeu club, pushing them close to La Liga success.
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Ahead of a Champions League quarter final second leg against City, Bellingham stated: I had good chats with clubs, including Dortmund.
"My family were great in helping me chew up that information, because it's difficult, while you're still in the season, to take in the information and process it and still have to play at the weekend or in the Champions League.
I had conversations with other teams, but when Madrid came in, it was a no-brainer really.
The size of the club, the project, the plan going forward, the chance to play with such amazing players. I just jumped at it. That's why I made my decision."