Wed, 26 Sep 2012 22:11:57 GMT | By Colleen Last
What were they thinking?! Celebrities who've made stupid decisions

Miley Cyrus goes punk

Miley Cyrus (© MARIO ANZUONI/Newscom/RTR)
  • Miley Cyrus (© MARIO ANZUONI/Newscom/RTR)
  • Charlie Sheen (© Getty Images)
  • Lady Gaga (© MARIO ANZUONI/Newscom/RTR)
  • Lady Gaga (© Features)
  • Janet Jackson and Justin Timberlake (© Donald Miralle/Getty Images)
  • Angelina Jolie and Billy Bob Thornton (© ROSE PROUSER/Newscom/RTR)
  • Johnny Depp and Winona Ryder (© Getty Images)
  • Kim Kardashian and Kris Humphries (© Chris Brown)
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Miley's rebellious streak means the shocks keep coming thick and fast - she got engaged in June aged just 19, then cut off her trademark long locks and debuted a punky new hairstyle at the MTV Awards in September. The good girl gone bad already has around 10 tattoos so we can't imagine what's next on her list!