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Nicole Richie has been a workout-a-holic lately, and pumping that iron sure has done her body good.

Joel Madden's wife has made her routine trips to the gym the perfect place to make a fashion statement ... and that statement is, I have a ton of money!

Ms. Richie finally parted with her red Chanel purse, and instead, brought along a Hermes bag ... worth over $10-thousand. Cha-ching!