Simon Cowell's partner Lauren Silverman was filmed calling the music mogul "really rude" before storming off in tears.

Simon Cowell's partner, Lauren Silverman , has accused the music tycoon of being "really rude" before dramatically storming off in a fiery scene from his new show.

Netflix is set to release Simon Cowell : The Next Act on Wednesday (December 10), a six-part series documenting his journey to assemble his dream boyband.

In between scouting for potential band members, Simon is seen taking a breather in the second episode, hooking himself up to an IV vitamin drip to rejuvenate his energy levels.

His partner, Lauren Silverman, expresses her concerns about his risk of "burnout" to the camera crews while discussing her son Adam who resides in a different country.

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