About this programme
Simon Cowell, LA Reid, Britney Spears and Demi Lovato sit behind the judges' desk as the contestants battle it out during the fourth live show.
Cast and crew
Cast
- Judge
- Simon Cowell
- Judge
- LA Reid
- Judge
- Britney Spears
- Judge
- Demi Lovato
- Host
- Mario Lopez
- Host
- Khloe Kardashian
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