34. Miley Cyrus
The former “Hannah Montana” star is having an awkward transition into adulthood, to say the least. Since 2009’s mega-hit “Party in the U.S.A.,” Cyrus has been making more news for her bad behavior than her music. Lap dances, pole dances, videos of her smoking salvia from a bong … ugh. Most recently, she called herself a stoner on video while grinning over a Bob Marley cake on her 19th birthday. Like your teenage daughters weren’t confused enough already.—Jeff Royer
(Photo: Jason Merritt, Getty Images)
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