Sienna Miller, 42, Matches With Her 27-Year-Old Boyfriend In Denim And Suede Jackets While Partying In NYC

Sienna Miller Rocks Chic Fall Denim Get-Up For Carolina Herrera X Frame Event With Boyfriend Oli Green

Regarding her glam, the Horizon: An American Saga - Chapter 1 star wore her signature blonde tresses down, parted in the center and styled into effortless loose waves.

As for her makeup look, Miller opted for simple black liner and mascara, as well as rosy blush and a glossy pink pout. The mom of two also stepped out in brown kicks, keeping the fall vibe strong. This appearance follows a series of fashionable couple moments from Miller and Green in recent months.  

Last month, the two looked in sync for an exclusive screening of Dune: Part Two. Miller wore a chic puff-sleeve sweater adorned with a geometric pattern and paired it with sleek black leather pants.

Photos obtained by The Daily Mail show the Anatomy of a Scandal actress accessorizing her outfit with a black belt, black open-toed sandal heels, and a gray handbag.  

Meanwhile, Green looked sharp in a black cord zip sweatshirt layered over a white polo shirt, complemented by tailored trousers and polished shoes.

Miller and Green were first romantically linked in late 2021. The two share one daughter whose name is yet to be revealed to the public, born in December 2023. The Alfie alum and style icon is also mom to daughter Marlowe, 11, whom she shares with her ex Tom Sturridge.