Amanda Bynes Smokes Weed In Her Car & Eats Fast Food

Amanda Bynes was driving aimlessly for hours Tuesday ... while smoking out of what appears to be a marijuana pipe and tooling around L.A. on a suspended license.

The photos -- obtained by TMZ -- show Bynes taking multiple hits out of a pipe that is designed to look like a cigarette lighter in your car.

27 more pictures from Amanda"s wild night....Collapse )