The 2026 awards season proved to be an unforgettable chapter for actress Wunmi Mosaku, who captivated audiences and critics alike not only with her compelling performances but also with her impeccable style. Throughout the season, Mosaku consistently graced major red carpets, showcasing her elegance while proudly displaying her growing baby bump, a testament to her stunning presence at every turn. Her appearances culminated in a particularly memorable showing at the 98th Academy Awards and the subsequent Vanity Fair Party, solidifying her status as a fashion icon and a formidable talent.

For the prestigious 98th Academy Awards on March 15th, 2026, Wunmi Mosaku opted for a custom Louis Vuitton gown, meticulously designed by Nicolas Ghesquière, in a striking emerald green hue. Her look was expertly curated by stylist Shameelah Hicks, who had been a constant by her side throughout the entire awards season, ensuring a cohesive and breathtaking sartorial journey. Complementing the gown, her exquisite jewellery was provided by David Yurman, while her flawless makeup was crafted by Uzo, and her elegant hair styled by Araxi Lindsey. This ensemble was undeniably one of her best, embodying sophistication and grace.

Mosaku arrived at the Oscars as a first-time nominee for Best Supporting Actress, a recognition for her powerful portrayal of Annie in Ryan Coogler’s critically acclaimed film, "Sinners." In the film, she played a hoodoo practitioner and the partner of Michael B. Jordan’s character, Smoke. Her dedication to the role was profound, involving extensive study of hoodoo practices and perfecting a distinct Louisiana Creole dialect to bring authenticity to her character. On the red carpet, a visibly moved Mosaku described the night as "a whirlwind," expressing that she had "never seen this side of the curtain" before. She also poignantly referred to her role as "divinely placed," noting the "complete and utter coincidence" that the character shared the name of her all-time favorite movie.

The Oscar nomination for "Sinners" was a highlight in a season already brimming with significant achievements. Mosaku had arrived at the Academy Awards ceremony with the momentum of two major wins under her belt. She made history at the 79th BAFTAs on February 22nd, 2026, by becoming the first Black British actress to win the Best Supporting Actress category at the prestigious ceremony. This was swiftly followed by another triumph at the 57th NAACP Image Awards on February 28th, 2026, where she secured the award for Outstanding Supporting Actress in a Motion Picture. "Sinners" itself enjoyed a triumphant run at the NAACP Image Awards, sweeping the night with an impressive 13 wins out of 18 nominations, further cementing its critical and popular success. The film also made history at the Oscars, arriving with a record-breaking 16 nominations, the most for any film in Oscar history.

Although Wunmi Mosaku did not ultimately win the Oscar on the night, she concluded the awards season in true style. Transitioning from the main ceremony, she attended the highly anticipated 2026 Vanity Fair Oscar Party, where she unveiled another custom creation. This time, she wore a striking purple gown by Georges Chakra, accessorized with elegant Marli jewellery, with her hair once again expertly styled by Araxi Lindsey. This second look provided a beautiful and fitting conclusion to what has been described as one of the most remarkable awards seasons ever experienced by a British-Nigerian actress, highlighting her talent, elegance, and groundbreaking achievements in the film industry.