Pregnant Kim Kardashian Shows Baby Bump In Striped Maxi-Dress

06/10/2013 12:54 pm ET

Kim Kardashian looked quite pregnant as she stepped out in a striped maxi-dress to have lunch with pal Brittny Gastineau at Mr. C in Beverly Hills, Calif., Sunday.

So it's no surprise that the expectant reality star, 32, couldn't travel to New York for beau Kanye West's birthday weekend, as the rapper headlined the Governors Ball Music Festival on Randalls Island. "Kim isn't allowed to fly," a source told Us Weekly on Saturday.

Kim nonetheless sent her man a heartfelt birthday greeting via Twitter.

"Happy Birthday to my best friend, the ❤of my life, my soul!!!! I love you beyond words!" she wrote, posting a six-photo collage of her and West to Instagram.

Click here to see more pictures of Kim Kardashian on X17online.com.

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