We're obsessed with the Sienna Miller x M&S collab - here are the 9 best pieces

Sienna Miller has teamed up with Marks & Spencer to front its latest autumn/winter 2023 collection, these are our favourite looks

Sienna Miller partners with Marks & Spencer on its autumn range

Fashion Finder Daily Mail Online

Sienna Miller M&S: Sienna Miller's the new face of Marks & Spencer

Sienna Miller M&S: Sienna Miller's the new face of Marks & Spencer

Sienna Miller announced as the face of M&S autumn womenswear

Sienna Miller partners with Marks & Spencer on its autumn range

Sienna Miller x M&S Autumn: the capsule wardrobe collection

Sienna Miller is the face of M&S autumn clothing campaign

Sienna Miller M&S: Sienna Miller's the new face of Marks & Spencer

Seven days of Sienna Miller: How the A-list star is repositioning

Sienna Miller x M&S: The Best Pieces To Shop

Sienna Miller x M&S Autumn: the capsule wardrobe collection