Superstar rappers Kanye West and 50 Cent will go head-to-head on September 11, the day both artists' sophomore albums land in stores.While fans of both rappers have relished in the friendly rivalry that seems to be brewing between the pair over the release date, 50 Cent has actually accepted a challenge to debate Kanye West on live TV.50 Cent appeared on BET's 106 & Park countdown show on Friday to promote his upcoming album Curtis.During the show, he accepted an offer from hosts Terrance J. and Rocsi to engage Kanye West in a presidential style "debate" to decide who has the best album, weeks before their albums hit stores.The rivalry started when West's release date for his Def Jam/Universal release Graduation was shifted from September 18 to September 11.Conversely, 50 Cent's album Interscope/Universal album Curtis was moved from September 4 to September 11."I accept the challenge," 50 Cent told millions of viewers on Friday (August 3). "Kanye, he's not going to want to show up. Just don't be asking me if I am a conscious rapper. I know exactly what I am saying - so I am conscious."