As the Harry Potter Warner Bros Studio Tour vows to finally do right by Hogwarts’ most maligned house, Stylist’s Kayleigh Dray takes a closer look at what it really means to be a Slytherin.

Slytherin, one of the four Hogwarts Houses, receives a bad reputation in the Harry Potter series. According to most wizards and witches, Slytherins are always evil. However, this isn't true.

At the UK premiere of the first of the five, leading man Eddie Redmayne told Radio 1's Newsbeat team that he was such a Potter-fiend, he had already sorted himself into a Hogwarts house online ...