April: Jennifer Lopez -- who had quite a stylish 2010 -- slipped up in spring when she dared to wear a trash bag and beehive to the London premiere of her latest box office bomb, "The Back-Up Plan." Gareth Cattermole/GettyImages.com - April 28, 2010
Worst of 2010: What Were They Thinking?!
A month-by-month guide featuring the most atrociously dressed stars of 2010.