There’s no doubt about it, Regina George was a mean girl.

When she wasn’t savaging people in her burn book or sabotaging her friends’ new romances, she didn’t hesitate to play on others’ insecurities, especially if it meant getting her own way.

This month marks 15 years since the film hit the big screen, inevitably shaping our teenage existence and blessing us with one-liners, like “Get in losers, we’re going shopping,” and “She doesn’t even go here!”. But while, sure, Regina’s character wasn’t likeable, was she the true villain of the cult-classic film?

Well, some fans have a theory, and it involves Janis: the snarky, yet loveable, one who befriended Cady Heron (Lindsay Lohan), and whiled away her time plotting evil schemes, of which Regina (Rachel Mcadams) was often the target, in the name of justice.

Her most memorable lines include: “Those bitches,” “You smell like a baby prostitute,” and “Your mom’s chest hair!”

Regina George wasn’t the real villain in Mean Girls, Janis Ian was