Sienna Miller Teams Up With M&S For A Second High Street Collaboration

Sienna Miller is nailing it right now, from the return to her boho roots sitting FROW at that iconic Chloé show to her MET Gala appearance… and don’t even get us started on her recent Cannes red carpet looks which were nothing short of mega. Add to that the fact she had a new baby about five minutes ago and is starring in one of 2024 most anticipated movies, Horizon: An American Saga, it’s fair to say that this is Sienna Miller’s world and we’re all just living in it.
Her latest announcement is set to please those of us who have followed her iconic bohemian style for two decades, as she teams up with British high street stalwart, M&S, for a second capsule collection. The first collection which launched for Autumn/Winter 2023 was really more of an edit of pieces collaboratively styled between the actress and the brand as she fronted their AW campaign. But for Summer ’24, expect a much closer partnership as the collection has used Sienna’s own wardrobe as inspiration for the 33-piece collection.
Shop our top picks from Sienna Miller x M&S

It is no surprise the collection is full of really wearable pieces. Starting with denim, Sienna has referenced much-loved pairs in her own wardrobe from the likes of Margaret Howell and Agolde and come up with a near-perfect pair of barrel-legged jeans in inky blue and white. Add to that some wear-anywhere blouses – one a high-neck Victorianna style that references an old Ralph Lauren dress she was papped in, as well as a simple and timeless striped shirt that comes in a pale blue or blush pink. We can imagine Sienna wearing it half-tucked into denim shorts or nonchalantly slung over a bikini on the beach.
For Summer ’24, expect a much closer partnership as the collection has used Sienna’s own wardrobe as inspiration for the 33-piece collection.
The accessories are well worth checking out too, from a beaded bag that takes reference from a Phoebe Philo-designed Chloé version Sienna famously wore to the 2004 Vanity Fair Oscars party with that now-famous green Matthew Williamson dress. It was such a moment for Sienna and a breath of fresh air to see such a free-spirited, bohemian look on the red carpet. There’s also a great pair of Western-inspired mules that will add edge to everything from jeans to pretty summer dresses.


Finally, there are some dressier pieces in the collection that nod to Sienna’s countless times on the red carpet. There’s a beautiful pale blue, ruffled maxi dress that nods to the Chemena Kamali-designed Chloé dress she recently wore at Cannes Film Festival. Perfect for a summer wedding or dressed down in true Sienna form with an army shacket (there’s also one of those in the collection) and flat leather sandals.
Speaking to Vogue about the collection Sienna said, “I have always had a genuine love for M&S – it’s a brand that is part of the fabric of British life and holds special associations for so many people.” And there is no denying these pieces will fly off the shelf, giving customers a slice of Sienna’s style without the Chloé price tag.

I have always had a genuine love for M&S – it’s a brand that is part of the fabric of British life and holds special associations for so many people.
– Sienna Miller on her M&S collaboration
Speaking of which, the M&S collection is very reasonably priced and in-line with the usual high street brand’s price points. Starting at just £35 for the blouses and swimwear and going up to £89 for the more expensive dresses.
So when can we get our hands on it? The Sienna Miller X M&S collection is available to shop now online and in 30 stores across the country.
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