Sienna's Dog Walking StyleWhile not performing on Broadway in "After Miss Julie," the boho chic queen takes her style to the streets of N.Y.C. with pooch Bess

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CARDI DAY

The British actress pairs a long-sleeved navy cardigan and light gray scarf over faded skinny jeans and black boots while chatting on her cell phone and taking Bess for a walk on Oct. 21 in New York City.