Paris Hits a Deep Note

2/1/2008 1:59 PM PST BY TMZ STAFF
She may not know how to sing, but when it comes to workin' the mic, Paris Hilton is a pro.

Paris "performed" at the Pontiac G8 launch in Scottsdale, Arizona recently -- and this was the most memorable moment. The truly talented 50 Cent also rocked the stage. Hopefully, they sanitized that thing before passing it off to Fiddy. And the mic too!