"Burning Man meets Carnival" is how Giovanna Battaglia described her friend's birthday bash in Venice this week. And we all know there's nothing the fashion set love more than a good themed party. Amidst the canals, Margherita Missoni hosted #MargheritasCarnival, a wild celebration filled with even wilder costumes. Derek Blasberg and Bianca Brandolini were not shy about dressing up - or about taking plenty of Instagram pictures. Click through for an inside look!