Sienna Miller Works the Camera at Astley Clarke Event!

Sienna Miller works the camera at the Astley Clarke private jewelry lunch held at Marcus restaurant at The Berkeley Hotel on Thursday (April 3) in London, England.

The 32-year-old actress attended the function hosted by Bec Astley Clarke and Marcus Wareing, which also happened to celebrate the reopening of Marcus restaurant.

Later that day, Sienna was spotted out in the Notting Hill section of London having lunch at a cafe outside with a pal.

In case you missed it, check out Sienna on the cover of Nylon magazine’s fifteenth anniversary issue!

15+ pictures inside of Sienna Miller at the jewelry event…