Politicians know the best way to drum up votes is to pose for pics with a cute baby -- so it should come as no surprise Bristol Palin brought her super-cute son Tripp to rehearsals for "Dancing With the Stars."
She's not the only one -- Audrina Patridge brings her twins to the studio every day.
Bristol Palin Plays Baby Card on 'Dancing'
9/19/2010 8:45 AM PDT BY TMZ STAFF
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