Share Sienna is starring in Anatomy Of A Scandal as the wife of a shamed politician played by Rupert Friend. The plot of the movie follows the trial of the Eton-educated politician after he's accused of sexually assaulting a young political aide. Anatomy Of A Scandal is based on the acclaimed 2018 bestseller by former political journalist Sarah Vaughan. All white? The actress, 39, wore loose-fitting white jeans and a cosy knit, while her hair was worn in a mussed style and she went make-up free Stepping out: She added a designer touch with a Gucci tote bag while juggling a coffee and a copy of The New Yorker