Kourtney Kardashian is giving her nephew Saint West a birthday shout out!

The KUWTK star shared a never-before-seen photo of Kim Kardashian and Kanye West's son on Instagram — and even she can't believe he's already a year old.

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"I can't believe this was one year ago today. Happy birthday my little Sainty," she captioned the cute selfie with Saint as a newborn.

However, fans saw the photo as a sign the mother-of-three is ready for another baby now that she has reunited with longtime boyfriend Scott Disick.

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"Time for another," one follower commented, while another added, "This is why you're back with Scott isn't it… @kourtneykardash I know your motives."

For a look back at Saint's first year, check out the gallery below!