Although London Milton is a parody of Paris Hilton; the difference is that London is depicted as a teenager; the same age as the Bratz; whereas Paris Hilton is a lot older.
In this episode, London Milton is a graduate of the fictional Heiress Kidnapping Survival School; and is an expert in mixed martial arts. It is unknown that Paris Hilton (whom London Milton is a parody of) is a martial arts expert in real life.