With a liquid-like sheen and notice-me-now sparkle, metallic pieces are inherently glamorous and party-ready. But the trend, embraced by designers like Alexander Wang and Reed Krakoff for S/S 13, still reads casual when worn with the right pieces, as Sienna Miller recently demonstrated.While attending a press night in London for fiancé Tom Sturridge’s play No Quarter, the actress wore an intriguing mix of luxe elements in Whistles’ Noel Boucle Top ($117) and Ruby + Ed’s Hooded Coat ($436) in Mink. Tomboy staples, like Finders Keepers’ slouchy denim pants and Tabitha Simmons’ buckle boots, offered the perfect foil to the sparkly metallic shirt. Want to incorporate a little heavy metal into your wardrobe? Continue reading to Get The Look.