What has Kendall Jenner done to get banned from Uber?

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Next time you're pondering life's big questions, here's another one to add to the list... Just what has Kendall Jenner done to make Uber ban her?

According to her famous big sis Kim Kardashian, the model is in hot water with the cab company and can't hitch a lift with them any more.

Kim Kardashian and Kendall Jenner
Kim rumbled Kendall's Uber difficulties (Thibault Camus/AP)

Before the sisters headed out into West Hollywood for dinner and a visit to Kim's husband Kanye West's art exhibition Famous, this tweet opened up a world of questions...

Will this be consigned to history as one of the great unanswered conundrums, or are we likely to see the reason behind it played out on an upcoming episode of Keeping Up With The Kardashians?

Either way, you just know there'll be some drama behind it all...