Christina Aguilera: Today's Hottie

Christina Aguilera: Today's HottieChristina Aguilera stopped by 30 Rockefeller Center this morning for the Today show’s latest live summer concert. After her performance at the MTV Movie Awards on Sunday failed to generate much buzz, this was another opportunity to get fans excited about her new album, Bionic, which arrived in stores today. So how did she do?Before performing, Aguilera chatted