The Keeping Up With The Kardashian star celebrates her 35th birthday with husband Kanye West on Wednesday at Cinépolis Luxury Cinemas at The Promenade located in Westlake, Calif. The reality star first thought she was just going to watch a movie with her husband, but apparently, West had something in store for his other half.

West helped organize a surprise birthday party for his wife, with some famous guests. It's a family affair when members of Kim's family were spotted - Kourtney Kardashian, Kendall Jenner, Caitlyn Jenner, and Kylie Jenner with boyfriend Tyga came were there to celebrate Kim's birthday. Even mom, Kris Jenner together with Corey Gamble showed up for the surprise.

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Kylie posted in her Snapchat account showing the bunch singing "Happy Birthday" to the celebrant before entering the movie theatre room - which was reserved entirely for them.

Earlier that day, Kim shared on Twitter: "I love you guys so much!!! Thank you for all of the birthday love! It means so much to me!!!! "

Rob Kardashian also took to Social Media, "Happy birthday Kimburrrrr. Thanks for always feeding me cheese fries all day baby," he shared on Instagram. Khloe Kardashian also shared her birthday greeting to her big sis, "You continuously amaze me by how you do it all. Thank you for always being there for everyone! Today is about you!!! Enjoy it Mrs West!!!"

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But the best throwback was from Kris Jenner, who shared a photo of the celebrant dressed in a Minnie Mouse costume when she was just a little girl, with a note: "You are the most amazing daughter, wife, sister, Mother, ROOM MATE, and best friend. God has blessed me with you and it has been the most wonderful 35 years. I love you beyond words......Mommy."