Sienna Miller & Tilda Swinton Go Glam for Masked Ball in Venice!

Sienna Miller is joined by boyfriend Lucas Zwirner as they arrive at a masked ball on Saturday (May 11) in Venice, Italy.

The 37-year-old actress looked so chic in a tan gown with a matching hooded-cape while her 27-year-old boyfriend donned a black tux for the event.

PHOTOS: Check out the latest pics of Sienna Miller

Also stepping out for the event was Tilda Swinton – who sported a pretty, blush-colored coat as she stepped out for the ball.

Earlier this week, Sienna and Lucas coupled up at Gucci‘s Met Gala 2019 After Party in New York City!