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At last night’s New York premiere of Mildred Pierce, the HBO miniseries debuting next week, Kate Winslet wore Stella McCartney’s fall collection—the one that hit the runway of the Paris Opera two weeks ago and won’t hit stores until maybe July, probably August. Of course, it looked fantastic. Her new pixie cut was gently waved and pulled back, as if even it would detract from the sheer polka dotted panel running down Winslet’s side, but what we really want to know is, is this the same dress Natasha Poly wore down the runway? It’s longer on Winslet than it was on Poly, which points to yes, but as svelte as the actress is, she’s curvier than the Russian model (thank goodness) and it fits her like a glove. Do you think Stella made it special? Or it hopped from the runway into Winslet’s suitcase?