The 81st Venice International Film Festival featured numerous stunning fashion moments and significant film premieres. Sienna Miller, accompanied by her partner Oli Green, continued her fashionable 'Siennaissance' era, showcasing chic looks and promoting her projects, including the short film 'Marion' and 'Horizon: An American Saga - Chapter Two.' The festival also highlighted other celebrities like Kate Beckinsale, Cate Blanchett, and Sydney Sweeney, who turned heads with their elegant outfits. Abbey Lee captivated audiences with two glamorous gowns. The closing ceremony featured the world premiere of Kevin Costner's 'Horizon,' exploring the American West's tumultuous landscape during the late 19th century. The festival, running from August 28 to September 9, has been a platform for numerous film debuts.