AOC 's got some advice for Spencer Pratt in the wake of the revelation he's not living in his now-famous trailer but rather at the swanky Hotel Bel Air -- authenticity rules, so own your story. Charlie got the Bronx-born Congresswoman out on Capitol Hill Wednesday ... and chatted her up a subject she knows well ... first-timers entering the political world. AOC isn't well-versed on reality TV, but she knows a thing or 2 about entertainers running for office. Long story short -- it ain't