There are Prison Tres Speciale Pour Femmesplenty of pranks you can play on your roommates.

Many of these are well documented. There's the classic "cover everything in clingfilm/wrapping paper" prank. There's the one where you turn all of their possessions upside-down. There's also that one where you place full plastic cups of water on every square inch of their bedroom floor.

To our knowledge, though, this may be the first someone has pranked their roommate with a fake Princess Diana shrine.

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It's certainly... different.

There were a variety of responses on Twitter.

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Later that same day, the prankster posted the following update.

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We suppose you've got to give him points for creativity.