Sienna Miller: Matthew Williamson Short Film - Watch Now!

Sienna Miller is all bundled up while hailing a cab on Friday (November 16) in New York City.

The 30-year-old actress recently appeared in a short film to celebrate 15 years of an extremely successful career of fashion designer Matthew Williamson. Check out the video below!

PHOTOS: Check out the latest pics of Sienna Miller

Before giving birth to her daughter Marlowe in summer, Sienna posed nude while having her portrait painted by Jonathan Yeo. Click inside to view the NSFW pic!

Yeo‘s portrait of Sienna can be seen as his (I’ve Got You) Under My Skin exhibition at the Circle Culture Gallery in Berlin.

FYI: Sienna is wearing the Savannah “Gus” jeans.