Christina Aguilera's Fashion Hits and Misses

As the newly single mom celebrates her 30th birthday, take a look back at her wildest looks – and vote on her hits and misses


For her gig co-hosting a 2009 New Year's bash in Las Vegas – where she resolved to "continue having the best life ever" – Aguilera looked determined to out-sparkle the Times Square ball, sporting a dazzling black slipdress, studded pumps and a statement necklace.