The Kardashian Sisters Get a Kendall Surprise in Calabasas (PHOTOS)

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It was supposed to be a book signing with Kourtney and Khloe Kardashian in their hometown of Calabasas — and both the hundreds of fans as well as Kourt and Khloe themselves got quite a surprise.

As the two sisters signed copies of Kardashian Konfidential for their fans who waited patiently for a chance to chat with the sisters Kardashian, little sister Kendall Jenner arrived unbeknownst to her big sisters, catching them off guard with a nice family surprise. On her Twitter, Kendall wrote: “Surprised my sisters at their Kardashian konfidential book signing now at Barnes & Noble in Calabasas!”

Khloe took the time to go on a Twitter spree, tweeting at her fans who said they would be going to the event. “I’m excited to meet everyone! So far everyone has been so sweet :)” she wrote to one fan who said she’d be going.

Kourtney enjoyed herself as well, taking the time to thank her fans as well, saying on Twitter:

Wow!What a magical night!Thank u to all who came to see me and @KhloeKardashian tonight at Barnes+Noble for Kardashian Konfidential signing!

Get your copy of Kardashian Konfidential here!