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11/07/2013 18:50 BST | Updated 22/05/2015 10:12 BST

Arty People: The Serpentine Gallery Party 2012

From Nancy Dell'Olio's legendary-slash-disastrous Cleopatra headdress to Holly Valance in starry Dolce & Gabbana to Mischa Barton's ethereal gown, see all the photos from the Serpentine Gallery's summer party.