Kourtney Kardashian's kids are always the center of attention on her Instagram and her latest photo of her youngest Reign Disick might be his cutest yet!

The KUWTK star shared an adorable snap of her 19-month-old — and fans can't get over how much he looks just like his older brother Mason, 6!

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"Tuesdaze," she captioned the candid mother-son moment in the sun.

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Tuesdaze.

A post shared by Kourtney Kardashian (@kourtneykardash) on

Along with her boys, the 37-year-old is also a mom to four-year-old daughter Penelope with Scott Disick, who's clearly not over his ex.

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For more cute Kardashian kids moments, check out the gallery below!