Britney Spears is the queen of sass with this badass abs selfie

And you better work, bitch.

Britnery Spears has posted a badass abs pi

So we’ve known since the beginning of (baby one more) time Britney Spears’ midriff is fire, but she’s really amped up her belly-baring posts of late, sharing two snaps only three days apart.

Check it:

And she’s no stranger to an FF (AKA flesh flash).

While her tummy looks INCREDIBLE, the real message here is written on her crop top. And we're LOVING her new sass.

Haters gonna hate, slayers gonna slay.

RELATED: Chris and Liam Hemsworth display full on #BroGoalz on Instagram. RELATED VIDEO: Beyoncé attends Britney’s Vegas show.