Olivia Cooke Dazzles at ‘House of the Dragon’ Season 3 After-Party in London

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Olivia Cooke made a striking appearance in London at the glamorous after-party celebrating the launch of the eagerly awaited third season of ‘House of the Dragon’. As she stepped into the night, the actress showcased a stylish mix of classic patterns paired with modern streetwear accessories.

She donned a chic, ankle-length maxi dress crafted from a grey pinstripe fabric that echoed high-fashion tailoring. The design featured delicate spaghetti straps and a low-cut neckline, merging a structured corporate look with an elegant silhouette.

Her ensemble was complemented by a pair of dark, retro-style oval sunglasses and a small black leather handbag she carried. With her dark wavy hair styled down and curtain bangs framing her face, she embodied a relaxed yet sophisticated aesthetic.

The festive evening followed the official premiere screening, marking the return of the immensely popular HBO fantasy drama. Fans have been eagerly anticipating the next chapter in the tumultuous Targaryen civil war. The new season is set to premiere later this month on June 21, spanning eight episodes.

Cooke plays the crucial role of Queen Alicent Hightower, the matriarch who fiercely defends her family’s claim to the Iron Throne. This third installment promises to elevate the stakes even further. Showrunner Ryan Condal recently hinted at what viewers can expect from the tone of the upcoming episodes, stating, “I mean, I don’t know. Do you, do we really expect happy endings in Westeros? I think this show goes to extremely dark places, places we’ve been, places we’re yet to go,”.

The intense narrative trajectory has been meticulously planned out, irrespective of previous audience feedback. Condal confirmed that the pacing of the last season did not alter their storytelling direction, emphasizing that “we had a plan from the outset,” which enabled the writing team to create a faithful adaptation of the original ‘Fire and Blood’ text.

The cast features a blend of returning favorites and new talent. Emma D’Arcy is back alongside Cooke as the formidable Rhaenyra Targaryen. Matt Smith reprises his role as Daemon Targaryen, along with other key actors like Tom Glynn-Carney, Ewan Mitchell, and Rhys Ifans. Viewers will also meet new cast members, including James Norton as Ormund Hightower, Tommy Flanagan as Ser Roderick Dustin, and Dan Fogler as Ser Torrhen Manderly.

Outside her role in Westeros, Cooke has been busy with various high-profile projects. She recently starred in the psychological thriller miniseries ‘The Girlfriend’ for Amazon Prime Video alongside Robin Wright. Audiences may also recognize her from her notable roles in the thriller series ‘Slow Horses’ and Steven Spielberg’s blockbuster ‘Ready Player One’. She has completed production on upcoming films such as ‘Switzerland’ and ‘Brides’, solidifying her reputation as a versatile performer.

Screenshot 2026 05 20 at 19 14 59 House of the Dragon Rotten Tomatoes

With the premiere date approaching, excitement is mounting for the chaos and drama that will unfold in the Seven Kingdoms. The upcoming episodes will delve into significant book conflicts, starting with the highly anticipated Battle of the Gullet.

Are you looking forward to seeing how Alicent Hightower navigates the impending dark turns of the new season? Share your thoughts on her after-party look in the comments!

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