Why do movie mean girls always come in threes?

Check out these iconic trios of the meanest girls around.
Ever since Macbeth, when the three witches schemed and gossiped around their cauldron, the idea that mean girls travel in threes has been a thing. Don’t believe us? Here’s the meanest trios of mean girls ever to grace the screen!

Sharp Objects


Amy Adams’ encounters more than her fair share of mean girls (not to mention a mean Mother) in Wind Gap, the small Missouri town where HBO's Sharp Objects is set. But it's Camille Preaker's step sister Amma and her duo of tittering friends that end up being the most suitable candidates for the Mean Girls crown. But are the girls as mean as we think? Or has boredom and the threat of danger meant that their cries for attention are actually cries for help?
 

Mean Girls


They don’t come much meaner than The Plastics – Queen bee Regina George, rich girl Gretchen Wieners and sweet but dim Karen Smith. Mean Girls is a famously smart, cutting look at high school gossip and politics, but we’d rather wrestle a bear than go back to school and deal with The Plastics. Mean Girls is funny, smart, and totally quotable.
 

Heathers


Speaking of mean girls from high school, Heathers is named after The Heathers, a trio of the meanest of mean girls.  Heather Chandler, Heather Duke, and Heather McNamara are absolute nightmares, and it’s not until a rebel who comes to school, J.D. (Christian Slater) bonds with the Heathers’ buddy Veronica (Winona Ryder) do they begin to get their comeuppance.
 

Never Been Kissed
 

In Never Been Kissed, Josie 'Grossie' Geller (Drew Barrymore) does high school all over again. The problem is, she was bullied the first time around, and when she returns undercover, nothing has changed. She’s targeted by the school’s queen bees (Jordan Ladd, Jessica Alba, Marley Shelton). These three are just plain nasty!
 

The Craft


First off, The Craft is basically Mean Girls, but with witches. Hell of a pitch, right? You’ve got a clique of three popular girls led by a manipulative, evil queen bee. You’ve got an out-of-towner who comes in and gets the queen bee all fired up, and you’ve got the head mean girl getting her comeuppance in the most bonkers way possible.
 

Jawbreaker

 
Jawbreaker follows three super mean girls who play a prank on the group's fourth member, only to accidently kill her… with a jawbreaker. Hence the name. The murder is figured out by the resident geek, and so what do they do to buy her silence? Offer to make her one of the cool kids, of course. 

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