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 x M&S Autumn: the capsule wardrobe collection

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

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

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

Unbelievable! Marks & Spencer's Autumn Collab with Sienna Miller

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Sienna Miller Is The New Face Of Marks And Spencer For Autumn 2023