Uh oh!

Tyga's baby mama-slash-stripper-slash-Kim K's BFF Blac Chyna can add another "slash" to the list and after it, "unlicensed driver." The bootylicious bad girls was driving without a license Sunday when cops from the sheriff's department pulled her over in Malibu and impounded her matte black Rolls Royce Phantom.

Her $300K ride was towed away and Chyna was left in a random parking lot with our videographer ... poor, girl!