Paris Hilton had her sister Nicky and mom Kathy by her side last night for a bash at Chloe's LA boutique, held to honor the Step Up Women's Network. After spending some time abroad last month, Paris has been doing her fair share to stimulate the local economy, though yesterday's shopping was for a good cause. Paris was off to Vegas today to switch from shopper to seller, as she gears up for the launch of her new sunglasses collection this evening.


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