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Guess Who

Todd Williamson/WireImage

Why try and squeeze all your love on a measly old sleeve when there's an entire chest available for proclaiming your affections?

That was the thought that likely crossed this Harry Potter star's mind when he decided to share with the world his warm and fuzzy feelings for his big-screen costar, Tom Felton.

So who is embracing his bromantic side and baring his soul (or at least chest) for the budding blond heartthrob?

Tom Felton, Rupert Grint

Todd Williamson/WireImage

It's Rupert Grint!

The super supportive and adorably cheeky actor proudly wore the adoring (and presumably homemade?) T-shirt while walking the red carpet for the Hollywood premiere of the Felton-starring Rise of the Planet of the Apes last night.

And hey, if there's anyone who could appreciate his, um, interesting fashion choice, it's Tom.

Awww. Now who needs fans when you've got costars like that?