Photo: Picture Perfect/Rex USA - Photo: Todd Williamson/Invision/AP
By Gena Oppenheim
Ya win some, ya lose some. Even with all the professional help celebs get with their makeup, they don't always triumph in the beauty department. Click through to vote on which stars get an A+ in cosmetology, and which ones flunk out.
The cat eye
Try to ignore Katy Perry's electric blue hair and just focus on her sultry eyes. The pop star rocked a thin and elegant cat-eye to the 2010 MTV Movie Awards. Rachel Bilson opted for a much thicker line around her eyes to achieve the look for premiere of "The To Do List" in Los Angeles.