Watch: Kim pranks Kris resulting in one VERY unhappy little momager

Remember that time Kim Kardashian lost a diamond earring in the ocean during a family vaycay, and she cried enough tears to re-fill the whole damn thing?

Now, imagine what would have happened if she'd been told that the earring wasn't lost at all, but was instead hidden by a family member who was enjoying watching Kim's 'ugly cry face'. (Hey, they're Kourtney's words, not ours.)

Yeah, it doesn't really bear thinking about it, so we don't really know WHAT Kim was thinking when she decided to trick Kris into thinking her mom's prized possession had gone missing.

Playing the prank in a place where everyone's stress levels are extra heightened – the airport, we mean, come on! – Kim watched as her mam rooted through her handbag for her missing phone.

As Kris imagined some stranger rifling through all her private emails, her second oldest daughter whispered to her Snapchat followers and weighed up the pros and cons of coming clean.

Check this out!