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Courteney Cox did some shopping at Pacific Coast Greens in LA Tuesday and picked up what appeared to be a box of hair dye. Could the millionaire actress really dye her own hair?

She's certainly into experimenting with color lately ... her daughter Coco recently got blue and purple streaks in her hair!

But one arena Cox spares no expense in is her homes. Her newly designed Malibu estate is featured in this month's issue of ELLE DECOR.