Sienna Miller keeps it conservative in chic shirt and jeans combination as she lends her support to Social Good Summit

By Helen Turnbull For Mailonline

Published: 06:21 EST, 29 September 2015 | Updated: 08:23 EST, 29 September 2015

Her philanthropy projects have been well documented.

And Sienna Miller continued to put her celebrity profile to good use as she attended the Social Good Summit at 92Y in New York City on Monday.

The British actress kept it conservative in a chic shirt-and-jeans combination as she made her speaker debut at the two-day annual conference.

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Keeping it conservative: Sienna Miller cut a characteristically chic figure in a simply stylish jeans-and-shirt combination as she attended the Social Good Summit in New York City on Monday

Keeping it conservative: Sienna Miller cut a characteristically chic figure in a simply stylish jeans-and-shirt combination as she attended the Social Good Summit in New York City on Monday

Dressed in a pair of black skinny jeans, a navy striped Frame Denim blouse which featured a large collar, a black cropped raw-hem jacket and a pair of black patent leather block heels, Sienna, 33, certainly looked the part.

She wore her naturally blonde shoulder-length hair slightly tousled and in a middle parting with the lightest covering of make-up accentuating her soft facial features.

The Black Mass actress radiated excitement ahead of her talk - which was titled Women In Crisis - as she arrived at the venue. 

Sitting pretty: Sienna, 33, certainly looked the part as she made her speaking debut at the annual conference which was held at 92Y

Sitting pretty: Sienna, 33, certainly looked the part as she made her speaking debut at the annual conference which was held at 92Y

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Sienna Miller will always be one of our favorite style icons and recently she has been reminding us exactly why.

While doing the rounds to promote her latest film, High-Rise she's been wearing incredible dresses by the likes of Victoria Beckham and Galvan. But this more understated look really got us reaching for our credit cards!

Check out her embellished jacket, which she layered over this stripe shirt by Frame Denim. The brand might be more famous for its well-fitting skinnies, but did you know there's so much more to Frame than just jeans? Click the link (right) to buy Sienna's exact shirt at Shopbop.

There's something about stripes that will always add a touch of class to any ensemble. But if you'd rather spend a little less, check out the lookalike options we've got lined up for you in the edit below. Topshop's multicolored version is going straight in our shopping basket!

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Impeccably dressed: The Black Mass actress was suitably styled for her speech debut in a pair of black skinny jeans, striped shirt, cropped jacket and pointed block-heeled shoes
Impeccably dressed: The Black Mass actress was suitably styled for her speech debut in a pair of black skinny jeans, striped shirt, cropped jacket and pointed block-heeled shoes

Impeccably dressed: The Black Mass actress was suitably styled for her speech debut in a pair of black skinny jeans, Frame Denim striped shirt, cropped jacket and pointed block-heeled shoes

Rising to the challenge: Sienna addressed the Summit audience with confidence

Rising to the challenge: Sienna addressed the Summit audience with confidence

Committed to the cause: The mother-of-one was animated during the Women In Crisis discussion and her passion evidently impressed co-panelist Rebecca Milner

Committed to the cause: The mother-of-one was animated during the Women In Crisis discussion and her passion evidently impressed co-panelist Rebecca Milner

Sienna joined The Today Show co-anchor Savannah Guthrie and Rebecca Milner - Vice President of institutional advancement, International Medical Corps - on the panel.

The theme for the latest meeting was #2030NOW and the trio discussed how the potential of technology could resolve issues affecting the female population in developing and war-torn countries.

Sienna was the perfect choice for that particular panel as she's served as Global Ambassador for International Medical Corps since 2009.

Putting her celebrity profile to good use: Sienna - who has served as Global Ambassador for International Medical Corps since 2009 - proved she was genuinely determined to improve the lives of women around the world
Putting her celebrity profile to good use: Sienna - who has served as Global Ambassador for International Medical Corps since 2009 - proved she was genuinely determined to improve the lives of women around the world

Putting her celebrity profile to good use: Sienna - who has served as Global Ambassador for International Medical Corps since 2009 - proved she was genuinely determined to improve the lives of women around the world with an impassioned speech

Less is more: Sienna wore her shoulder-length blonde hair slightly tousled with a light covering of make-up highlighting her pretty facial features

Less is more: Sienna wore her shoulder-length blonde hair slightly tousled with a light covering of make-up highlighting her pretty facial features

The smile says it all: The British screen star was evidently thrilled with how her panellist debut went

The smile says it all: The British screen star was evidently thrilled with how her panellist debut went

She has visited International Medical Corps field programs in the Democratic Republic of Congo, Haiti, Ethiopia and Lebanon, to witness first-hand the lives of those vulnerable in crisis and conflict zones.

Sienna was honoured with its prestigious Global Activist Award in 2011 after demonstrating an admirable advocacy to the refugee crisis.

Other notable names who appeared at the Social Good Summit included Charlize Theron - who talked about the potential of social media in eradicating AIDS in the developing world - and transgender spokesmodel Laverne Cox who stressed the importance of including transgender people in Census Data as a starting point in understanding the discrimination and inequalities they face.

Making a difference: Charlize Theron (left) joined the esteemed panel to discuss how social media can help eradicate AIDS while Laverne Cox talked passionately about improving the lives of fellow transgender people

Making a difference: Charlize Theron (left) joined the esteemed panel to discuss how social media can help eradicate AIDS while Laverne Cox talked passionately about improving the lives of fellow transgender people

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