Cowell, 57, and producers of the singing competition show are working on a premise for a show that would follow rejects from "The X Factor", reported Ace Showbiz.
According to sources, the series is dedicated to the best of the worst singers. The rejects will face off against each other as they attempt to improve their skills.
After weeks of coaching, the one who improves the most at the end of the series will be crowned as the winner.
Bradley Walsh is rumoured to be in talks to host the brand new series.
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