In the high-stakes, glamorous world of television production, few things are as significant as the intersection of a creator’s vision and the visual identity of their work. For the Rivals costume designer, this connection recently reached a personal and professional pinnacle through a unique sartorial tribute to the woman behind the phenomenon.
Sian Thomas, the costume designer responsible for the lush, high-society aesthetic of the Disney+ series Rivals, has expressed that it was a profound honor to create a bespoke outfit for the legendary British author, Dame Jilly Cooper. The gesture serves as a bridge between the literary world that inspired the series and the visual spectacle now unfolding on screen.
The collaboration highlights the deep reverence the production team holds for Cooper’s work. As the series brings her celebrated novel to life, the opportunity to dress the author herself allowed the costume department to celebrate the very essence of the “Cooper style”—a blend of elegance, wit, and unapologetic opulence.
A Sartorial Tribute to a Literary Icon
The relationship between a costume designer and an author is often indirect, mediated through the pages of a manuscript. However, for Thomas, the task of designing for Dame Jilly Cooper transformed the creative process into a direct dialogue with the source material. By crafting an outfit specifically for the Dame, the production was able to honor the woman whose storytelling has defined a genre of British social comedy and drama.

While the specific details of the garment remain a testament to the show’s commitment to style, the sentiment shared by the design team underscores the importance of authenticity in period and high-society dramas. For a series like Rivals, which relies heavily on the visual cues of wealth and status to drive its narrative, having the blessing of the author through such a personal gesture is a significant milestone.
Dame Jilly Cooper, a staple of British literature known for her vivid depictions of the aristocracy and the sporting world, has seen her work undergo various adaptations. This latest iteration, however, carries a particular weight, given the intense visual demands of the 1980s setting and the complex social hierarchies depicted in the story.
Behind the Glamour of Rivals
The Disney+ series Rivals is far more than a simple adaptation; We see a sprawling exploration of ambition, sex, and power set against the backdrop of the 1980s. To capture this era, the production required a meticulous approach to costume design, ensuring that every fabric, silhouette, and accessory communicated the character’s social standing and internal motivations.

The series features a stellar ensemble cast, including David Tennant and Alex Hassell, who navigate the treacherous waters of celebrity and competition. Sian Thomas’s work is central to this world-building. The costumes do not merely clothe the actors; they act as characters themselves, signaling the shift from the old guard of the British establishment to the nouveau riche energy of the decade.
- Setting: The high-octane, competitive world of 1980s television and social climbing.
- Visual Aesthetic: A blend of classic British elegance and the emerging, bold trends of the 1980s.
- Core Themes: Power struggles, romantic entanglements, and the pursuit of fame.
Through the costume department, the production has managed to translate Cooper’s descriptive prose into a tangible, breathing environment. The honor of dressing the author is a symbolic nod to the fact that, while the actors portray the characters, the soul of the world remains firmly rooted in Cooper’s original vision.
The Creative Connection Between Author and Designer
For designers like Thomas, working on an adaptation of a beloved work involves a delicate balancing act. One must respect the established “feel” of the author’s world while making necessary adjustments for the medium of television. The ability to design for Dame Jilly Cooper herself provided a rare moment of convergence where the creator and the visual interpreter could meet.

This synergy is vital for the success of prestige television. When the costume design resonates with the spirit of the source material, it enhances the immersion for the audience. In the case of Rivals, the fashion serves as a primary tool for storytelling, helping to define the boundaries between the characters’ public personas and their private lives.
The recognition of this honor by the production team reflects a broader trend in entertainment journalism and production: the celebration of the craft behind the scenes. While the stars often command the spotlight, it is the work of designers like Sian Thomas that builds the stage upon which those stars perform.
Key Takeaways: The Making of Rivals
- Designer Recognition: Sian Thomas expressed high honor in designing an outfit for Dame Jilly Cooper.
- Source Material: The series is based on the novel by Dame Jilly Cooper, a celebrated figure in British literature.
- Visual Importance: Costume design is a critical element in establishing the 1980s setting and social hierarchy of the show.
- Platform: The series is a major production for Disney+.
As Rivals continues to captivate audiences with its blend of drama and glamour, the craftsmanship behind its visual identity remains a central component of its enduring appeal. The tribute paid to Dame Jilly Cooper is a reminder that even in the most modern of productions, the roots of the story are what truly matter.
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