Who says festivals are becoming too gentrified?

Certainly not Karen, an HR manager from London who we found quaffing chilled pink Chandon with her friends in the Zebra Champagne Garden.

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The 37-year-old festival virgin laughed off suggestions that such a genteel, monied enclosure jarred with the traditional, cider-and-mud festival vibe.

"We've got a lot of cash to spend," she said, matter-of-factly. "If festivals want to survive they need to attract people like us."

Next year: free spa treatments for every punter.