Lady Gaga Explodes

SALES GO GAGA: With Lady Gaga's Born This Way now slated to sell more than a million, sources estimate that Amazon sold 330k during Monday's 99-cent sale, even with glitches, a total which soared to 450k after yesterday's repeat of the promotion. How high will Gaga ultimately go as the marketing blitz orchestrated by Interscope's Steve Berman and manager Troy Carter builds momentum? Stay tuned to HITS' Building Album chart and this space as the weekend plays out. (5/27p)