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There's no way to proclaim your BFF-hood quite as effectively as posting a BFF selfie to Instagram. Oh, wait, just kidding, there is: You can make like Kristen Bell and Mila Kunis and debut matching BFF haircuts via Insta selfie.

The costars, young moms and real-life pals have been on a whirlwind press tour promoting their new film, A Bad Moms Christmas, but they took a break yesterday to announce their new matching wavy lobs via Bell's Instagram handle. She captioned the post, "Friendship haircuts."

Sheesh. And you thought your BFF Halloween costume was #goals. 

RELATED: Kristen Bell Reveals Her Thoughts On Makeup and the Lifestyle Craze She Swears By 

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