Kanye West Throws Kim Kardashian a Surprise 35th Birthday Bash With Family and Friends

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Happy birthday, Kim Kardashian!

The pregnant reality star celebrated her 35th birthday on Wednesday, and husband Kanye West surprised her with a party at the the Westlake Cinepolis theater in Thousand Oaks, California.

WATCH: Khloe Kardashian Breaks Instagram Silence With Birthday Message to Kim

"My husband never ceases the amaze me!" Kim Instagrammed to her 49.7 million followers. "He rented out the entire movie theater to screen the new Steve Jobs (It's sooooo good BTW), and had all of my family and close friends came dressed up as their best pregnant Kim look (fake baby bumps provided on arrival!)"

Kim admitted that her lookalikes made her a little uneasy. "Not sure if that was to make me feel less huge or just a fun cool theme but I loved it and had the best time ever, feeling so very comfortable eating churros with a bunch of pregnant women!" she joked. "Just what I needed, the perfect chill yummy food birthday!!!!"

Kanye was seen escorting his wife into the theater, and both were wearing stylish, nude-colored ensembles. Kim chose a form-fitting dress that showcased her baby bump.

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The 38-year-old rapper gathered Kim’s friends and family for the big day, including her mom Kris Jenner, makeup artist Joyce Bonelli and Kim’s sisters, Kourtney Kardashian and Kendall and Kylie Jenner, who captured some moments from the party on her Snapchat account.

The soon-to-be mother of two was feeling the love from her family all day, as Kris, Kourtney and Caitlyn Jenner all sent her birthday wishes via adorable throwback pics on Instagram.

PHOTOS: Kim Kardashian's Baby No. 2 Pregnancy Style

"Happy Birthday my beautiful angel girl!!!!!" Kris captioned a sweet picture of her daughter done up to look like Minnie Mouse. "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 ❤️❤️????????"

Big sister Kourtney shared a pic of her and Kim, who are only a year and a half apart, from their teenage years.

WATCH: Pregnant Kim Kardashian Bares Her Baby Bump While Going for a Swim in St. Barts

"She has been my partner for life," Kourtney wrote. "We always seem to end up on the craziest adventures together. I love and admire the person you have become and learn from you every day. Happy Birthday! ???"

Caitlyn also shared a sweet throwback pic, with the message, "Happy birthday beautiful."

Kim’s younger brother, Khloe and Rob Kardashian, also sent birthday wishes on social media. The birthday girl later took to Twitter to thank her family, friends and fans for making her special day so memorable.

WATCH: Khloe Kardashian and Lamar Odom Call Off Divorce

"I love you guys so much!!!" she wrote. "Thank you for all of the birthday love! It means so much to me!!!!"

Kim and Kanye are really good at parties. For her husband's 38th birthday in June, Kim rented out Los Angeles' Staples Center, where the Lakers, Clippers, and Kings call home, and organized a star-studded basketball game with NBA players. Check it out:

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