PHOTOS: Sienna & Her Pup Prance in Puddles

By:OK! Staff

Nov. 13 2009, Published 5:49 a.m. ET

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Sienna Miller braved the rain this morning to take her dog Bess for a walk in NYC. The pair walk briskly in downtown Manhattan as Sienna chats on the phone. Sienna is currently on Broadway, playing the title role in After Miss Julie, a drama about class and sex in the 1940s.