Sienna Miller, 37, cosies up to boyfriend Lucas Zwirner, 27, as they enjoy an ice cream on stroll - Daily Mail

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Sienna Miller, 37, cosies up to boyfriend Lucas Zwirner, 27, as they enjoy an ice cream on stroll  Daily Mail

They went public with their romance last year when they attended Tom Sturridge's birthday party in London together. And Sienna Miller, 37, looked as smitten as ...