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It has been revealed that Sharon Osbourne has agreed to return to 'The X Factor' for tomorrow night's live show after she apologised and held a two-hour meeting with fellow judge Simon Cowell.

She announced that she had quit the programme last weekend after two of her three acts found themselves in the bottom two to be voted off. Sharon has since revealed that she had made a big mistake by walking off the show, but admitted that she was not sure if ITV would take her back because they had not contacted her.

Digital Spy reports that after calling Cowell to apologise, Osbourne held a meeting with him, as well as executive producer Richard Holloway, at a London hotel to discuss the situation.

A show insider told The Mirror: "They had a meeting and it went well. Everyone got to have their say."

Sharon was expected to attend a sound check at the show's Wembley studios yesterday. A spokeswoman revealed: "We're fully expecting Sharon to be at the studio on Saturday."