when i fisrt started watching Americas got talent,what did they mean by a headline...

[Sehaj S]

...show in Las Vegas? when nick cannon said that the winner will win $1,000,000 i understood that part but what do they mean by a headline show in LasVegas?

 

[j155]

They'll get their own show to perform in Vegas and will likely be a big hit. Like David Copperfield.

 

[stuck@work]

They will be the starring act of their own show in Las Vegas at the Planet Hollywood Hotel and Casino. Just like Celine Dion and Toni Braxton headline their own shows in Vegas.