"20/20" Interviews Music's elite open up in candid Q&As. music_brandy.jpg 60x45 1 http://abcnews.go.com/sections/2020/videofiles/Video/2020_brandy_video.ram 10371189841090 abcnews_free.gif lock_icon.gif superpass.gif http://abcnews.go.com/sections/2020/videofiles/Video/2020_brandy_video.ram 10371189841091 Brandy's Abuse lock_icon.gif superpass.gif http://abcnews.go.com/sections/2020/videofiles/Video/2020_justin_video.ram 10371189841092 Justin on Britney lock_icon.gif superpass.gif http://abcnews.go.com/sections/2020/videofiles/Video/2020_osbourne_video.ram 10371189841093 Emotional Ozzy lock_icon.gif headline