Star Tracks
The new parents step out in London. Plus, Beyoncé & Gwyneth party, Katie & Tom dine and more
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Beyoncé makes the rounds at the afterparty – chatting up Paltrow's rocker husband Chris Martin – after hanging with the Mrs. (not pictured). Martin later repaid the honor by paying his respects to B's man – and man of the hour – Jay-Z (inset).
