Getting so big!
Jessica Simpson, 35, took to Instagram yesterday remind us once again how adorable her kids are — and we can't believe how much Ace Knute has grown!
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Ace and big sister Maxwell, 3, are no strangers to the camera, regularly posing for their mama. It's obvious the toddler clearly inherited his mom's love of fashion — check out his mini fedora!
See more of the cutest celebrity kids here!