How A-listers including Sienna Miller, Michelle Keegan and Mylene Klass have transformed retailers' images (and fortunes) with chic collaborations Sienna Miller's second Marks and Spencer range hits UK stores this Thursday Read More: Rixo is slammed over new collection that doesn't go above size 14 - after founders previously pledged to be more 'inclusive' By Lydia Hawken For Mailonline Published: 12:05, 4 June 2024 | Updated: 12:09, 4 June 2024 e-mail 1 View comments Sienna Miller 's effortlessly chic sense of style has undoubtedly contributed to her star power throughout her 20 years in the spotlight. And now the actress, 42, is capitalising on her status as one of Hollywood's most fashionable stars by collaborating with M&S on another clothing collection. Following the success of their first collaboration in September 2023 , which fans dubbed M&S' 'best ever' partnership, the mother-of-two is gearing up to launch her highly anticipated second collection.
At the time of her first collection, Sienna said she was 'thrilled' to be joining the company and said she has 'always had a genuine love for Marks & Spencer'. Six months after the collection's launch, M&S reported that their clothing and home sales had increased by 5.3 per cent - which Sienna's range no doubt played a part in.
Pictured: Sienna Miller models her latest collection with Marks and Spencer, which launches later this week One fan of the range commented on Instagram: ''Marks and Spencer have gone up a notch on t.
