And they call her 'Reluctant Spice' for a reason. Melanie Chisholm of the Spice Girls is threatening to quit the band ahead of their highly-anticipated world tour next month if, according to her, the other four bandmates "behave outrageously" during their tour.

The singer, 33, is said to want to avoid the well-publicized drama that usually goes on behind the scenes between the five women of the band.

She has already made her warning by saying: "If it goes into a diva drama, I'm out of the circus," reports RTE news.

The newly reunited group kick off their world tour on December 2 from Vancouver, Canada.

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