Jessica Simpson's Kids Adorably Prepare for Takeoff With an Early Morning Hug -- See the Pic!

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The 36-year-old designer's kids just keep getting cuter.

Jessica Simpson's kids just keep getting cuter.

The 36-year-old fashion designer took to Instagram on Thursday to share the newest adorable snap of her mini-mes as they prepared for an early morning flight.

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"Up Up and Away #maxidrew #aceknute," she captioned the sweet pic of 4-year-old Maxwell and 3-year-old Ace holding each other close as they boarded a plane.

This isn't the first time Simpson has shared adorable pics of her kids. The two dominated the singer's Instagram page over the summer.

Maxi and Ace played by the pool:

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Celebrated Ace's 3rd birthday:

Made their mama super "proud":

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And got close for a few cuddles:

Simpson's kids are looking more and more like their mom every day. See how Maxwell has become Simpson's doppelganger in the video below.