I'm glad Ariana stuck to one of the fundamental principles of drama-free life: no misters before sisters.
It definitely looks like Justin Bieber tried it with Ariana by commenting on some of her videos on Instagram. Talk about making your agenda obvious, Biebs.
Anyway, the Bang Bang vocalist in a matter of moments responded with majestic sass and a 'Grande-sized' cup of shady latte with Justin's name marked on it.
Gotta love Ariana's immunity to contracting Bieber fever, am I right? And she called him Satan, love it.
Anyway, in a few celebrity spheres away, Lorde caught whiff of the fresh batch of shady pies Ariana had been cooking up for Justin and decided to get herself involved.
Ariana also was happy with her girl power backing:
I love it when young celebs play out their high school antics over social media for all of us to gawk at. Keep the drams coming, guys.