Over the span of nine seasons, "American Idol" has become a full-on cultural phenomenon and gifted the world with such music stars as Kelly Clarkson, Carrie Underwood and Adam Lambert. But we all know there's a flip side to that coin: "Idol's" so-bad-they're-hard-to-watch auditions, which fans gawk at, and sometimes immortalize, year after year. Some of these aspiring contestants fit into the "shameless attention-seekers" category, while others are simply misguided -- and then there are the just plain freaky ones. In honor of the season 10 premiere of "American Idol" tonight (Jan. 19), here are Billboard.com's picks for the top 10 "American Idol" trainwreck auditions, from "Bikini Girl" to William Hung.