The kids of MTV's Teen Mom 2 are growing up, and for Jenelle Evans' five-year-old son Jace, that means a brand new hairdo.

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"Jace got a Mohawk!" Evans announced on Twitter Saturday. Of course his mother made sure to include some new photos along with the message, each of which show Jace in a red shirt sporting a thick stretch of hair down the center of his shaved head.

While Evans took some time to repost compliments on her son's new look, there was enough negative feedback on Twitter to make Evans step up and speak out on behalf of her decision to let her son go through with the drastic change.

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"Everyone hating on Jace's hair…" Evans wrote when she returned to Twitter Sunday afternoon, "U all act like hair doesn't grow back… keep going.. I'm being very entertained."

Jace has plenty of time to grow his hair out if he so chooses, and as many fans pointed out he is only five years old. The haircut is hardly a statement or a reflection of poor parenting.

Though some might consider the 'do part of a new edgy new style, it sure hasn't changed the boy at heart. He's still his mother's boy and Evans knows it.

"When Jace wakes up in the middle of the night to use the restroom and puts a blanket on me and tucks me in.." tweeted Evans, "the little things in life."

Teen Mom 2 continues on MTV with new episodes Wednesdays at 10 p.m. ET/PT.