While there's no doubt that Hollywood is a very small world, who knew it was this small. Apparently, Madonna's son Rocco Ritchie and David and Victoria's son Brooklyn Beckham are so close that they act like "surrogate big brothers" to each other. And that's why 16-year-old Brooklyn is offering his support to 15-year-old Rocco, who is in the middle of a nasty international custody battle between his mother and his father, British director Guy Ritchie.

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According to Xpose on Saturday, Rocco is spending a lot of time with his British circle of friends - which includes Brooklyn - as he is refusing to go home to New York City to be with his mother. The young teenager has been living with his father in London ever since he refused to board a plane back to the Big Apple for the holidays last month.

And now it looks like Rocco wants to completely uproot his life to London, as he prefers the company of his British friends, including Brooklyn, than his American ones back home.

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A source said, "The boys have been friends for years and Brooklyn's always acted like a surrogate big brother for Rocco, who idolizes him in return.''

Unfortunately though, it doesn't look like Rocco will be able to live peacefully with his father in London as his mother Madonna is willing to fight with tooth and nail to get her son to come back home. And the pop star's strained relationship with her ex-husband is surely not helping matters, either.

The insider added, "This is far beyond a situation about Rocco - it's about a situation between Madonna and Guy. They don't have a good relationship; it's more of a power fight between them and if he can one-up her. This is the best way he can do it.''

Stay tuned with Enstars for all the latest updates on Rocco Ritchie right here.

Tags: rocco ritchie Brooklyn Beckham Madonna