Disney to "Dirrty" Is she still the girl next door? Should she be? Naughty Christina explains. music_aguilera_christina.jpg 60x45 G0 http://abcnews.go.com/sections/2020/videofiles/Video/030214aguilera_video.ram?http://www.real.com/R/RC.021903realhome_3.content...R/home.real.com/r/url/?10415360272891 10454369390420 abcnews_free.gif lock_icon.gif superpass.gif http://abcnews.go.com/sections/2020/videofiles/Video/030214aguilera_video.ram?http://www.real.com/R/RC.021903realhome_3.content...R/home.real.com/r/url/?10415360272891 10454369390421 PLAY lock_icon.gif lock_icon.gif lock_icon.gif headline