Jessica Simpson Celebrates Her 36th Birthday With a Super Cute Pic of Her Adorable Kids

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Jessica Simpson just turned 36, and the actress commemorated the occasion with another adorable photo of her cute kids.

The fashion designer took to Instagram on Monday -- one day after her actual birthday -- where she gushed about her 4-year-old daughter, Maxwell, and her 3-year-old son, Ace.

"36 and proud," Simpson captioned the heartwarming black-and-white snapshot of her kids running across their lawn.

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36 and proud

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WATCH:Jessica Simpson's Kids, Maxwell and Ace, Look Almost Identical in Sweet New Pics!

It's sure to be a big year for the former recording artist, who has been teasing photos from inside the studio, laying down her first new tracks since 2010.

And as for her personal life, Simpson has never shied away from sharing photos of her precious kids, whom she shares with her husband, Eric Johnson. In fact, almost every pic on her Instagram is of them, and they can't help but steal our hearts every time.

Whether they are marveling at Ace's dinosaur themed birthday cake:

WATCH: Jessica Simpson Shares Adorable Family Photo at Son Ace's 3rd Birthday Party

Or sitting by the edge of a pool, biting on toy fish:

Or rising a horse (despite looking kind of super nervous about the whole thing):

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My beauty has no fear #MAXIDREW

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Or acting all sassy on a pier while drinking a milkshake:

WATCH: Jessica Simpson's Daughter Maxwell Shows Off Some Attitude in Adorable Pic

Or hiding in a giant, decorative ceramic planter while wearing a fedora:

They are just too cute to deal with. It's no surprise at all that they fill their proud moms' page. For more Ace and Maxwell awesomeness, check out the video below.

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