The Wet Look Robert Pattinson in Cosmopolis. Difficulty rating: 2/5. Tip: there can never be too much gel.Photograph: Sportsphoto Ltd/AllstarThe Don’t Wash and Go Sam Riley (on left, with co-star Garrett Hedlund right) in On the Road. Difficulty rating: 0/5. Advice: requires dirt and a handsome, stubbly face. Photograph: Sportsphoto Ltd/AllstarThe Slick Lick Leonardo DiCaprio in The Great Gatsby. Difficulty rating: 5/5. Tip: potential to end up a bit fancy dress.Photograph: XPUSAUSSIE
The Big Top Andrew Garfield in The Amazing Spider-Man. Difficulty rating: 3/5. Warning: this is all about height. Thick hair essential.Photograph: Sportsphoto Ltd/AllstarThe Severe Sidepart Michael Fassbender in Prometheus. Difficulty rating: 4/5. Warning: Blond locks a must. Not for the shy.Photograph: Public DomainThe ‘Just Been Cut’ Joseph Gordon-Levitt in The Dark Knight Rises. Difficulty rating: 1/5. Warning: requires regular upkeep.Photograph: Greg Allen/Rex Features
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