Transcript for Lip Syncing Reality TV Scandal
Yeah look closely but there it is the incriminating moment the moment that has us doing a reality check about those reality compensation shows this morning. Turns out a lot of these performances you -- on the town shows like X-Factor are lip -- Some fans are truly upset about this but is it really cheating ABC's rob Nelson. Is on the story. Wait a second did you catch that. That singer Lee Roy Bell on Fox's singing competition show the X-Factor on Thursday. And it's pretty clear his voice starts just a second or two before he actually raises that Mike who is now. The apparent lip synching incident has forced fox to admit that yes even singing competition were not always hearing live voices. I've seen the biggest stars. The most acclaimed. The greatest icons of our time using all of this technologies so. It's really to create a perfect final product. Functions payment shrugged off the criticism saying this is just -- these kind of shows work. The network says it would sinking happens fairly regularly -- -- songs went unlike individual performances contestants survival on the show is not -- state. Such an obvious love may seem like a major performance full -- but some say that in today's. High tech world of pop music this could actually be good training for three northstar real stardom. Little harder than a look. From pop princess Britney Spears on -- -- seven MTV. Video music awards. Ashlee Simpson on Saturday Night Live. -- You can forget the poster boys for lip syncing. Former R&B group Milli Vanilli. They managed to snag Grammy Awards for words they never even -- -- -- -- -- -- -- Is it cheating yet but. When you think about that these kids and adults and -- -- factor are auditioning to become the next great major pop singers. This is what everyone in the industry does so they have to Olerud did and dirt -- After all they call -- show business. For a reason for Good Morning America rob Nelson ABC news New York.
This transcript has been automatically generated and may not be 100% accurate.