If Kevin Federline's atrocious rap album wasn't reason enough to never give him a microphone -- this video from his birthday party at PURE in Las Vegas should close the case.
Good thing his lawyer, Marc Vincent Kaplan, was there. K-Fed should always just let him do the talking.
Vegas to K-Fed: Happy B-Day, Now Shut Up!
3/22/2008 1:50 PM PDT BY TMZ STAFF
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