Kim Kardashian definitely earned her title as Princess of Prison Reform ... using her celebrity status for good has yielded nothing but positive results, so says one of her freed prisoners.
The first prisoner released under the First Step Act -- Matthew Charles -- showered Kim with praise when we ran into him on Capitol Hill. As we reported, Kim not only helped secure his release ... she's covered the next 5 years of rent while he gets back on his feet.
Kim - Center - White - House - Thursday
Kim was front and center at The White House Thursday...