While the singers have provided enough entertainment this season, the real show is behind the scenes where Simon Cowell and Ellen DeGeneres are no longer speaking to each other, RadarOnline.com is reporting exclusively.

“Their relationship started poorly but now the situation has escalated,” a source familiar with the situation told RadarOnline.com

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• American Idol
• behind the scenes
• Ellen Degeneres
• exclusive
• Polarized
• Simon Cowell