Mariah's purple plate
13:30 30 June 2006
Mariah Carey will only eat purple food.
The pop diva is convinced mauve-coloured foods like grapes and plums - known for their anti-ageing benefits - will stop her developing wrinkles.
The singer, who devised the diet with her nutritionist, now munches purple meals three days a week.
A source said: "It may seem bizarre but purple products are nature's best weapons in the battle against ageing. It's said that 'a plum a day keeps a facelift away'.
"Purple food can prevent breakdown of collagen and slow the wasting of muscles."
This is not the first time Mariah has tried a bizarre diet.
Earlier this year, it was revealed she was living on plain fish and soup in a bid to shed excess pounds.
The curvy star took all calorific treats off the menu until she reached her target weight.
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