Reality TV's troubled stars
By Emily Christianson, Los Angeles Times
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Tila Tequila (Tila Nguyen)( Jay L. Clendenin / Los Angeles Times )
Claim to fame: "A Shot at Love With Tila Tequila"
Point of meltdown: She managed to keep her name in the news with her spacey tweets and racy romances, but America saw Tila's life spin out in early 2010 when her fiancee, Johnson & Johnson heiress Casey Johnson, died of diabetes complications. Months later, Tila hit a low with her own Vivid sex tape called "Tila Tequila Uncorked."