Guess she's not done with partying just yet!
The Pour It Up singer proudly poured some drinks into her mouth from a stiletto—and we LOVE that she's trying to start a fetch new trend!
A glorious citizen pap captured the lovely moment via Instagram, and for that, we thank him!
Ch-ch-check out more pics of RiRi slurping out of a heel (below!)
[Image via Instagram.]