It's hard for Heidi Klum to look bad, but we're not sure what the supermodel was thinking when she wore blue underwear beneath a cut-out dress at the American Music Awards.
Justin Bieber looks like he's been raiding his mom's coat closet ... again! Two weeks ago, he made our worst-dressed list with this ridiculous coat, and he wore a similar version of it this week. Plus, check out his horrible holiday sweater!
Click the "Launch Gallery" for more of this week's fashion faux pas.