It looks like Jessica Simpson's daughter will be inadvertently rocking a new haircut to school.

The 36-year-old mother of two revealed on Instagram on Wednesday that 4-year-old Maxwell accidentally snipped off a lock of hair.

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

The toddler got her hands on dad Eric Johnson's scissors and apparently pulled off the big chop before anyone noticed.

Simpson posted a photo of the hair in a plastic bag marked  "Maxwell found Daddy's scissors," with the date "9/6/2016."

She captioned the pic, "Just in time for school" with the hashtag "#MommyIsNotHappy."

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With two kids -- Maxwell and 3-year-old Ace -- and a growing fashion empire, Simpson is balancing it all just like any other working mom. Find out how motherhood helps her stay fit in the video below.