Kourtney Kardashian missed Kim's 43rd birthday party due to bed rest.

Source by google image Tecolem.com

Kim expressed gratitude for her friends and family on Instagram.

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A star-studded dinner celebrated Kim's birthday.

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Kourtney shared a heartfelt birthday tribute to Kim.

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Kourtney's pregnancy is high-risk due to her age.

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Kourtney and Travis Barker are expecting their first child together.

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