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The Real Madrid forward purchased the $18.5 million Trump Tower apartment that “50 Shades’’ novel author E.L. James used as a model for the notorious bondage bachelor pad of her fictional sexual sadist character, Christian Grey, a source told The Post.


Ronaldo recently purchased the Fifth Avenue loft from Italian real estate entrepreneur Alessandro Proto.


While James has never confirmed that Grey is based on Proto, the mogul is widely believed to have been the inspiration for the character.

The apartment is Cristiano Ronalod's first property purchase in the States.