'Whitney Houston': Bobby's a Gutter Rat!

Okay so it's not the real Whitney ... but "MadTV's" Debra Wilson busted out her classic impression in Bev. Hills Wednesday and smack talked Bobby Brown, cracked high notes (again), tried to slang drugs and pimped a line of "weaves and wigs."

Debra Wilson: Click to watch
We'd suggest you check it out -- it's worth all five hilarious minutes.