Berry, possibly flattered upon seeing the room of the prince, chose to poke fun at him.
In the room were a load of things that you'd expect to find in an 18-year-old's bedroom like CDs, a stereo, books, and clothes strewn about the place.
The photo revealed another famous face in Harry's dorm: his mother Diana, Princess of Wales, was seen in a photo on his desk.
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Yes, that's right folks, Harry chose to stick a glossy cut-out of the one and only Halle Berry, and we totally get it.
The photo was taken in 2003 and shows a grinning Harry at Eton College, sitting among his personable belongings.
The photo didn't go unnoticed by many people, one of which was Halle herself who chose to tweet the image.
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Commenting on the photo on Twitter, the Monster's Ball star said: 'Ok #PrinceHarry, I see you!'
She also tagged in Missy Elliot - paying tribute to the lyric, "Don't I look like a Halle Berry poster?" from her song Work It. "You know you made it when the prince has your poster hanging up", one person tweeted.
When photos of Prince Harry's boarding school dorm room recently resurfaced, the Oscar-winning actress spotted a cutout of herself pinned to an embroidered rug on the princeling's wall and tweeted about it Wednesday.
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In addition to the Berry pinup, Harry had a collection of bikini-clad models posted on his wall.