Kate Moss broke out her onesie yesterday for an evening with Jamie and friends at London's Groucho club. She was out and about shopping with a friend earlier in the day, but Kate managed to hold on to her stamina and leave with Jamie after midnight. Kate's been settling into a trend with her all-black looks lately, whether she's all laced up or in luscious leather. She lightened things up today, though, for a trip to the pub with Jamie and her former assistant.

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