Prada's spring summer 2012 collection led the best-dressed pack. Scarlett Johansson wore a floral lace appliqué peplum dress from the designer to the London premiere of The Avengers. Charlotte Dellal donned a Prada hot-rod-print coat for the launch party of Cartiers new Tank Anglaise watch collection, also in London.
Elsewhere, ladylike dresses made refined statements. ELLE cover star Emily Blunt covered up in crimson lace from Michael Kors for the premiere of Your Sisters Sister in New York. And Leelee Sobieski cut a striking figure in Raf Simons crisp, full-skirted white gown from his SS12 Jil Sander collection.More