Nicole Richie grabbed dinner at LA's Madeo last night with her friends Nicky Hilton and Rachel Zoe. It was another "G.N.O." for Nicole after an evening with her ladies last week, and this one also brought out many more of her BFFs, including Samantha Ronson. Nicole and Rachel even continued their fun after the meal, with Nicole tweeting to Rachel late last night about an inside joke. Nicole left her kids Harlow and Sparrow at home with Joel, who also took a few breaks to tend to his own Twitter when he wasn't busy with daddy duty.
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