The Kid Laroi's girlfriend Katarina Deme, 18, busts out at Justin Bieber's party in Los Angeles - Daily Mail

The model, 18, turned heads as she arrived at the venue with Laroi, whose real name is Charlton Howard, for a concert after-party hosted by Justin Bieber

She celebrated her 18th birthday last month at a trendy bar in Los Angeles. And the partying continued for Katarina Deme on Tuesday as she accompanied her rapper boyfriend The Kid Laroi to a star-st… [+3300 chars]

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