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England natives Felicity Jones (in Moschino) and Helen Mirren represented their country at the 2011 BAFTA Britannia Awards, held at the Beverly Hilton Hotel in Los Angeles. After mingling with the crowd, Jones headed on to the launch of stylist Jessica Paster’s new collection for justfab.com. Click through to see Katy Perry, Rachel Zoe and more stars at last night’s hottest events!