Now the 30-year-old has taken to Instagram on Monday to speak out about the "private matter":
[Image via Instagram.]
She's been a bad, bad gurl!
But she made it a point to call out four jerks who made her jail-time less-than-stellar at Houston's concert Friday night. And guess what…
SHE'S GOT DIRT ON ALL OF YOU!!
And she's not afraid to unleash it!! Cuz nobody screws with Fiona and gets away with it, that's for sure!! So we hope you've got a good defense, bitches! Ha!
PRESS that PLAY button (above) to watch the craziest, most awesome post-arrest statement ever!!