Kathy Hilton Says Mauricio Umansky 'Poached' Rick Hilton's Staff During 'RHOBH' Reunion

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While Kathy Hilton and Kyle Richards have been working together to mend their relationship, it seems like Kathy still holds a few grudges…but with Kyle’s estranged husband. 

During the final Real Housewives of Beverly Hills reunion, Kathy accused Mauricio Umansky of leaving Rick Hilton’s company with only one day of notice – and took Rick’s staff with him.