Last Christmas Wham!
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Stars On Screen: 30 Of The Best Celeb Movie & TV Cameos
Justin Timberlake arguably stole the show in Aaron Sorkin's 2010 drama about the formation of Facebook with his interpretation of charismatic Napster founder Sean Parker. While JT had already appeared on screen before the film, most notable in 2006 crime drama Alpha Dog as well as the Shrek franchise, it was The Social Network which established him as a potential leading man and since its release the 'SexyBack' singer has gone on to star in huge hits like Bad Teacher, Friends With Benefits and, most recently, sci-fi thriller In Time.