Nicole Kidman, 51, flashes age-defying complexion as she puts on a chic display in white polka dot dress at Neutrogena event

She's previously credited sunscreen as the secret to her age-defying complexion. 

So it was no surprise that Nicole Kidman stepped out to advocate on the importance of sun protection and the use of daily sunscreen at the Neutrogena event in New York on Tuesday. 

The 51-year-old brand ambassador oozed with style and glamour as she stepped out for the rooftop event. 

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Effortless beauty: Nicole Kidman showcased her effortless style and stunning glowing complexion on Tuesday at the Neutrogena event in New York City

Effortless beauty: Nicole Kidman showcased her effortless style and stunning glowing complexion on Tuesday at the Neutrogena event in New York City

Nicole opted for a chic black and white polka dot dress that featured a subtle frill, sheer long sleeves and was cinched in the waist. 

Her frock reached to just below her knee and elongated her 5'11" physique. 

The beauty completed her look with a pair of butter colored heels and a red manicure. 

Gorgeous: Nicole opted for a chic black and white polka dot dress that featured a subtle frill, sheer long sleeves and was cinched in the waist

Gorgeous: Nicole opted for a chic black and white polka dot dress that featured a subtle frill, sheer long sleeves and was cinched in the waist

Legs for days! Her frock reached to just below her knee and elongated her 5'11" physique

Legs for days! Her frock reached to just below her knee and elongated her 5'11" physique

Gorgeous: Nicole's blonde tresses were styled out into a lose wave with her path slightly to one side. Her glam ensured her naturally dewy and glowing complexion was in full focus with a soft eye, nude lip and blushed cheeks

Gorgeous: Nicole's blonde tresses were styled out into a lose wave with her path slightly to one side. Her glam ensured her naturally dewy and glowing complexion was in full focus with a soft eye, nude lip and blushed cheeks

Nicole's blonde tresses were styled out into a lose wave with her path slightly to one side. 

Her glam ensured her naturally dewy and glowing complexion was in full focus with a soft eye, nude lip and blushed cheeks. 

Back in 2017, the Big Little Lies stars credited 'smothering' endless amounts of SPF on her porcelain face for her age-defying complexion. 

Her secret! Back in 2017, the Big Little Lies stars credited 'smothering' endless amounts of SPF on her porcelain face for her age-defying complexion (pictured 1991)
Age-defying: Nicole has continued to showcase an enviable complexion, as seen in 2004

Her secret! Back in 2017, the Big Little Lies stars credited 'smothering' endless amounts of SPF on her porcelain face for her age-defying complexion

Stable: While Nicole's hair has changed over the years, her complexion has remained clear (pictured 2016)

Stable: While Nicole's hair has changed over the years, her complexion has remained clear (pictured 2016) 

'In the morning I smother, smother sunscreen on,' she told Allure.  

'I'm outside a lot and love exercising outdoors, but I don't like the sun on my skin because it's very fair.' 

Nicole went on to speak about her upbringing in the harsh Australian sun. 

Tips & tricks: 'In the morning I smother, smother sunscreen on,' she told Allure . 'I'm outside a lot and love exercising outdoors, but I don't like the sun on my skin because it's very fair'

Tips & tricks: 'In the morning I smother, smother sunscreen on,' she told Allure . 'I'm outside a lot and love exercising outdoors, but I don't like the sun on my skin because it's very fair' 

Protecting her skin: Nicole said that she's used lots of sunscreen for years, having grown up under the harsh Australian sun with fair skin (pictured 1983)

Protecting her skin: Nicole said that she's used lots of sunscreen for years, having grown up under the harsh Australian sun with fair skin (pictured 1983) 

'My parents have also had skin cancer, so I have to be really, really careful - I use SPF 100,' she confessed. 

'I know it sounds like a lot, but it isn't. I use it on my kids. I use it on myself. I've always had to do that.'   

Nicole shares daughters Sunday Rose, 10, and Faith Margaret, eight, with husband of nearly 13 years, Keith Urban. She's also the mom to adopted children Isabella, 26, and Connor, 24, with ex-husband Tom Cruise.  

Family: Nicole shares daughters Sunday Rose, 10, and Faith Margaret, eight, with husband of nearly 13 years, Keith Urban (pictured 2017)

Family: Nicole shares daughters Sunday Rose, 10, and Faith Margaret, eight, with husband of nearly 13 years, Keith Urban (pictured 2017) 

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Nicole Kidman, 51, flashes age-defying complexion as she puts on a chic display at Neutrogena event

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