Sienna Miller dresses for sweater weather in black and grey as she steps out with ex Tom Sturridge in NYC

Sienna Miller has revealed that she recently enjoyed being single for the first time in her life.

But she still knows how to enjoy some quality time with her ex Tom Sturridge here and there.

Miller dressed for fall Wednesday as she and Sturridge stepped out for a stroll in New York City.

Sweater weather: Tom Miller dressed for fall Wednesday as she and ex Tom Sturridge stepped out for a stroll in New York City

Sweater weather: Tom Miller dressed for fall Wednesday as she and ex Tom Sturridge stepped out for a stroll in New York City

She looked cozy in a ribbed black knit sweater with a pair of grey tartan trousers and some white Gucci trainers.

Sturridge stayed warm in a puffy blue hooded jacket with slim jeans and a colorful baseball cap with a geometric print.

Miller, 37, told Elle of their co-parenting style, as they share seven-year-old daughter Marlowe: 'He’s at the house and he’s going to stay there tonight. It’s not like there’s a structure for custody. We make it work. It’s not conventional.’

She also opened up about what it was like being single after she and Sturridge, 33, called it quits in 2015.

Cool kicks: She looked cozy in a ribbed black knit sweater with a pair of grey tartan trousers and some white Gucci trainers

Cool kicks: She looked cozy in a ribbed black knit sweater with a pair of grey tartan trousers and some white Gucci trainers

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She said: 'It was about the first time in my life I’d ever been single. It was fine. I really like my own company. I quite like being independent.

‘But the dating thing, which I tried a couple of times? That I don’t envy. I went on a couple of dates with people that I was set up with and… y’know.'

For the past year, Miller has been dating writer Lucas Zwirner, about whom she happily exclaimed: ‘He’s not an actor! He’s not famous!’

Co-parenting goals: Miller recently told Elle of their co-parenting style: 'He’s at the house and he’s going to stay there tonight. It’s not like there’s a structure for custody. We make it work. It’s not conventional’

Co-parenting goals: Miller recently told Elle of their co-parenting style: 'He’s at the house and he’s going to stay there tonight. It’s not like there’s a structure for custody. We make it work. It’s not conventional’

Miss independent: She also opened up about what it was like being single after she and Sturridge, 33, called it quits in 2015: 'It was fine. I really like my own company. I quite like being independent'

Miss independent: She also opened up about what it was like being single after she and Sturridge, 33, called it quits in 2015: 'It was fine. I really like my own company. I quite like being independent'

New beau: For the past year, Miller has been dating writer Lucas Zwirner, about whom she happily exclaimed: ‘He’s not an actor! He’s not famous!’

New beau: For the past year, Miller has been dating writer Lucas Zwirner, about whom she happily exclaimed: ‘He’s not an actor! He’s not famous!’

She recently starred as Roger Ailes' wife Beth in The Loudest Voice, for which she had to don lots of prosthetics. 

Miller joked on The Graham Norton Show that she made her new beau kiss her while dressed in character.

She said: 'I used to take "her" for walks and into bars. I walked down the street with my quite young-looking boyfriend and asked him to kiss me passionately in front of a crowd of tourists. They were horrified at the sight of this young boy kissing his nana!'  

She also said on This Morning of the disguise: 'For the first three days I was laughing a lot, we were completely unrecognizable. But I found it liberating as it's a mask.'

True story: She recently starred as Roger Ailes' wife Beth in The Loudest Voice, for which she had to don lots of prosthetic

True story: She recently starred as Roger Ailes' wife Beth in The Loudest Voice, for which she had to don lots of prosthetic

Sienna Miller dresses for sweater weather in black as she steps out with ex Tom Sturridge in NYC

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