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Demi Moore, Tallulah Willis, Shaved head

Instagram, Ron Galella/WireImage

Tallulah Willis really went for it.

Channeling her mother Demi Moore's famous G.I. Jane cut, the 20-year-old decided to buzz off all of her tresses and rock a completely shaven head! "I rule," Tallulah captioned her Instagram video showing the big moment when she put the clippers to her head. Sister Scout recorded the clip on her cellphone as Rumer watched in awe.

Yep, it was a family affair!

Tallulah followed with a couple of snapshots to show off her new 'do, which really does look great. "November 18th. remember it," she captioned one photo.

I rule.

A video posted by tallulah (@buuski) on

The celebuspawn recently celebrated a big milestone in her recovery and shared the special moment on Instagram for her friends and followers. "90 days ago I was a mucky mess," she began by saying in a caption accompanied by a cute selfie.

"Things are not perfect by any means but I radiate more positive energy on a daily basis then I ever thought possible. No longer allowing chemicals to infiltrate my bod was the best decision I've ever made. Here's 90 more days. Woot woot!"

A few months back, Tallulah recalled her past battles with an eating disorder and body dysmorphia in an interview with StyleLikeU. According to People, Tallulah recently spent about six weeks in treatment for unspecified issues, with her time in the facility ending on Sept. 3 after her famous mother came to pick her up.