Khloe Kardashian shares Kylie Jenner pregnancy snap

Sisters Khloe Kardashian and Kylie Jenner will both welcome their first child this year. Photo / Getty

Just hours after her little sister revealed she has welcomed a baby daughter into the world, Khloe Kardashian has shared a photo of Kylie Jenner's secret pregnancy.

Khloe, who is also pregnant with her first child, posted a picture of herself and Jenner, with their baby bumps exposed.

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Congratulations My Sweet Kylie! What a magical ride it's been! I'll miss you bumping along with me. Never in a million years did I think we would do this together but it's been that much more special because of it. God is so great!! He had His plan all along! I love you little mama 💕 love big mama

A post shared by Khloé (@khloekardashian) on Feb 4, 2018 at 3:20pm PST

Despite ongoing rumours, Jenner never publicly confirmed her pregnancy, instead waiting until after her daughter's birth to announce the news.

In an Instagram post today, Jenner shared the news with her 101 million followers saying: "I'm sorry for keeping you in the dark. I understand you're used to me bringing you along on my journeys. My pregnancy was one I chose not to do in front of the world."

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♥️

A post shared by Kylie 🤍 (@kyliejenner) on Feb 4, 2018 at 12:27pm PST

The arrival of Jenner's daughter comes just three weeks after the birth of sister Kim and Kanye West's third child, who was born bia surrogate. Chicago West is little sister to North and Saint.