Sienna Miller at ATG’s Summer Party at Kensington Palace in London

On Monday night, the actress Sienna Miller looked stunning as she donned an elegant satin gown at the Ambassador Theatre Group Summer Party, held at Kensington Palace.

The 39-year-old actress wore a plunging blush dress that showed off her cleavage and showcased her slim figure. The dress had elegant spaghetti straps and a full skirt. With her curly tresses in soft waves, Sienna Miller donned radiant make-up for the evening. The star of American Woman hosted the event alongside ATG CEO Mark Cornell in support of Sir Sam Mendes and his Theatre Artists Fund.

She has been working in New York on a mystery television series. In addition to continuing filming for Netflix’s new political drama Anatomy Of A Scandal, Sienna is currently working on unannounced projects. Sarah Vaughan, a former political journalist, is the author of the acclaimed 2018 bestseller. Rupert Friend plays Sienna’s husband, ashamed minister.