Elegant Sienna Miller flaunts her slim figure in a thigh-split dress with peplum detailing as she attends Phantom Thread premiere in New York
She has been staying near her former fiancé Tom Sturridge in New York City with their daughter Marlowe as the actor begins filming his latest movie.
But Sienna Miller was flying solo when she attended the premiere of Phantom Thread in the city on Monday.
The actress, 35, flaunted her toned legs thanks to the cheeky front split of her floral dress, which was slashed to her thigh.
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Leggy lady: Sienna Miller flaunted her legs in a cheeky split dress as she attended the premiere of Phantom Thread in New York City on Monday
Show a flair for winter florals like Sienna Miller
Ever the fashionista, we are once again in awe of Sienna Miller's wardrobe. Here, the actress is seen in a skirt and top combo hot off the Proenza Schouler SS18 runway. The co-ord is not yet available to buy, although the wait shouldn't be too long as, thanks to Proenza's dedication to the 'See Now Buy Now' scheme, some pieces from the show are already shoppable on the brand's website.
Sienna proves that, contrary to popular belief, florals aren't just for the summer months. In fact a floral dress or skirt, particularly in darker hues (start with black or navy and bring the color with the print) are fab for party season. Sienna even paired hers with a festive red lip, and we wholeheartedly approve.
To accessorize your winter florals this season, follow in Sienna's fashionable footsteps and toughen up your look with a chunky platform heel.
Complete your look with loose waves and a statement lip, et voila, party ready! Shop our edit of the best winter floral dresses below...
Accentuating her tiny waist and petite figure, the form-fitting dress featured billowing ruffles.
The American Sniper star wore a slick of crimson lipstick to highlight the scarlet accent of her floral garment.
Stunning Sienna wore her golden locks in a loosely-tousled fashion, framing her rosy cheeks in soft curls.
The Girl star donned towering platform sandals as she posed on a stairway inside the venue.
Fabulous figure: Accentuating her tiny waist and petite figure, the form-fitting dress featured billowing ruffles
Posing up a storm: The Girl star donned towering platform sandals as she posed on a stairway inside the venue
Phantom Thread tells the story of 1950's London where renowned dressmaker Reynolds Woodcock falls madly in love with strong-willed woman Alma.
Oscar-winning Daniel Day-Lewis, who plays the lead male role, has claimed this will be his last movie before stepping out of the Hollywood spotlight.
On Monday, The Lost City of Z star was spotted wearing multiple layers in the West Village neighborhood.
Vibrant: The American Sniper star wore a slick of crimson lipstick to highlight the scarlet flecked in the middle of the ivory flower pattern on the navy blue garment
Sienna, who welcomed a daughter with Tom Sturridge in 2012, is in the Big Apple where her former fiance is set to begin shooting the Starz drama Sweetbitter.
The mother-of-one looked comfortable in a wide-leg pair of trousers, oversized long coat and striped scarf.
She accessorised with a white pair of sneakers, a newsboy cap and light blue handbag perfect for a day of errands.
In recent months, the somber star has spent the last few months near Tom. Sienna gave birth to their daughter Marlowe Ottoline Layng Sturridge in July 2012.
The West End star shares her little girl with her former fiancé Tom whom she dated from 2011 to 2015.
Winter chill: Sienna, who welcomed a daughter with Tom Sturridge in 2012, is in the Big Apple where her former fiance is set to begin shooting the Starz drama Sweetbitter
They are among the friendliest exes in the world as they both praise each other's parenting skills and they do their best to share custody the best way possible.
'Everybody will stay over or we'll all go on holiday and that's because we genuinely want to be around each other,' she told Harper's Bazaar.
'It's great for our daughter that she has two parents who love each other and are friends. He's definitely my best friend in the entire world.'
It was announced in October that Tom joined the cast of the small screen adaptation of the Stephanie Danler novel of the same name.
The film is a coming-of-age story about Tess, a 22-year-old waitress who lives in New York City. The story is based on the author's experience working in restaurants.
Tom will play Jake, a bartender who is set to be in a love triangle with Tess (Ella Purnell) and Simone (Caitlin FitzGerald).
Chilly: The mother-of-one looked comfortable in a wide-leg pair of trousers, oversized long coat and striped scarf
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