Baby got back!
A bright red thong showed through her scandalous shorts, revealing a tattoo on her left butt cheek.
The singer was filming the music video for "Pour it Up" and has been posting photos from behind-the-scenes showing off stripper heels and dollar bills strewn across a floor.
Chris Brown's ex clearly had a blast filming the vid and it looks like she got in on the scantily clad fun herself with that getup!
Show him what he's missing, girl!