The actress, 36, is a fan favourite in the bonkbuster, playing the second wife and former mistress of MP Paul Stratton with aspirations of being a TV presenter.
As the saucy and ambitious Sarah Stratton in the hit Disney+ series, the actress, 36, sports voluminous blonde curls to match the show's glamorous aesthetic.
The actress will reprise her role as aspiring TV presenter Sarah Stratton in the forthcoming second series of the hit show, which returns to Amazon Prime on May 15.
Emily Atack looked worlds away from brash Sarah Stratton as she sported an elegant cream two-piece while reuniting with her 'TV hubby' Rufus Jones at a Rivals season two junket on Thursday.
The actress is poised to reprise her role as Sarah Stratton in the second series of Amazon Prime's hugely popular Rivals, an adaptation of the late Jilly Cooper's steamy 1988 novel of the same name.
The trailer showcases the five main characters, including David Tennant's Lord Tony Baddingham and Emily Atack's rising TV star character Sarah Stratton.
The actress, 35, left little to the imagination when she stepped into the role of Sarah Stratton for the Disney series, which is based on Dame Jilly Cooper's best-selling novel of the same name.