Sienna Miller & Boyfriend Lucas Zwirner Hold Hands on Stroll in NYC

Sienna Miller and boyfriend Lucas Zwirner are enjoying a day out together!

The 37-year-old actress and the 28-year-old writer held hands as they crossed the street during an afternoon walk on Friday (October 18) in New York City.

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Sienna looked cute in a tan, teddy jacket and Gucci crossbody bag while Lucas sported a tan jacket and matching trousers for their afternoon outing.

Earlier this month, Sienna and Lucas coupled up for the premiere American Woman in London.

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FYI: Sienna is wearing a Mandkhai sweater.