fiance and friends

[stylinsam]

my fiance doesnt like one of my friends, the thing is i get on with her really well but she lives next door but one to my fiance and his family and her family dnt get on, hes told me he doesnt want me have anything to do with her cos her mum was saying some pretty bad stuff about my fiance's family, the other night. now me and this friend were meant to be going away i dnt no what to do any help would be appreciated tia sam x