Lady GaGa is allegedly 'upset' that MTV EMAs host Eva Longoria poked fun at her meat dress by wearing a piece of ham at the award ceremony last night.GaGa, who picked up three awards at the star-studded bash, was said to be annoyed that Longoria made fun out of the gory gown that she wore to the VMAs earlier this year, accusing the Desperate Housewives actress of 'stealing' her style.