Demi Moore at Gucci Milan premiere for The Tiger and La Famiglia

Demi Moore starred in a gilded evening that doubled as both a film premiere and the public unveiling of Demna Gvasalia's debut collection for Gucci on Tuesday night in Milan, appearing in a heavily beaded gold gown at the 30 minute short film screening of The Tiger at the Palazzo Mezzanotte. The event, held to kick off Milan Fashion Week, brought together a Hollywood cast and high-fashion crowd as the house presented La Famiglia, Demna's first collection as Gucci artistic director.

Directed by Spike Jonze and Halina Reijn, The Tiger casts Moore as Barbara Gucci, the fictional head of Gucci International who in the film also owns the state of California. The trippy, satirical drama follows a fraught birthday dinner in which psychedelics precipitate a family reckoning. The cast includes Edward Norton, Elliot Page, Keke Palmer, Ed Harris, Alia Shawkat, Julianne Nicholson and Kendall Jenner, among others. Page, who has long been associated with the brand, called working with Moore "a phenomenal experience" and praised her as "such a wonderful person" and "a tremendous actor." Nicholson described the shoot as "walking onto the set of a Fellini movie" and said the production was...