Baby's got back! Nicole Kidman shows off her VERY toned back in a gold cut-out frock at the Country Music Awards

Her gruelling exercise regime consists of swimming, running and sit-ups.

And Oscar Award-winning actress Nicole Kidman showed off the impressive results of her hard work at the 53rd Academy of Country Music Awards in Las Vegas on Sunday.

The 50-year-old drew attention to her very toned back in a gold cut-out frock by Michael Kors Collection. 

Baby's got back! Nicole Kidman shows off her VERY toned back in a gold cut-out frock by Michael Kors Collection at the Country Music Awards 

Baby's got back! Nicole Kidman shows off her VERY toned back in a gold cut-out frock by Michael Kors Collection at the Country Music Awards 

Nicole stunned on the blue carpet in a glitzy gold floor-length gown, which revealed her muscular back thanks to its revealing design.

The star's ensemble also featured raglan sleeves, providing a touch of flair.

Nicole swept her blonde locks into an effortless chignon, with several strands left out to frame her face. 

Details: Nicole stunned on the blue carpet in a glitzy gold floor-length gown, which revealed her muscular back thanks to its revealing design

Details: Nicole stunned on the blue carpet in a glitzy gold floor-length gown, which revealed her muscular back thanks to its revealing design

The Chanel ambassador's makeup palette consisted of a porcelain complexion, defined brows, subtle kohl-rimmed eyes and a soft pink lip. 

Nicole accompanied husband Keith Urban at the awards ceremony, with the country music star posing for photos with his stunning wife.

Keith, 50, cut a smart casual figure in a black T-shirt, grey blazer, distressed black jeans and red-lined suede boots.

Active: Nicole has previously opened up about her exercise regime, which consists of swimming, running and sit-ups

Active: Nicole has previously opened up about her exercise regime, which consists of swimming, running and sit-ups

Nicole revealed the secrets behind her lean frame in an interview with US TV show Extra, last year. 

'I do sit-ups. Not a lot, but I do sit-ups. I love to swim and run. I actually love sports,' she said.   

And in terms of diet, Nicole follows a more balanced approach, having previously told the Los Angeles Times: 'I'm actually not that strict with my diet. I pretty much eat anything, but all in moderation.' 

The ex-wife of Tom Cruise also told US Women's Health: 'It's walking a path that's ultimately 80 per cent healthy, 20 per cent...sometimes it falls to 70 [per cent].'

In love: The Chanel ambassador joined her country music star husband Keith Urban, 50, on the blue carpet

In love: The Chanel ambassador joined her country music star husband Keith Urban, 50, on the blue carpet

Dazzle in a gold Michael Kors gown like Nicole

Nicole Kidman stole the show as she stepped onto the red (or should we say blue) carpet of this years Academy Country Music Awards in Las Vegas.

The Big Little Lies star was a vision in gold as she wore a custom Michael Kors Collection dress that sparkled in this luscious gold metallic hue.

We love a metallic moment when it comes to special events and for a big night out it is an easy choice to opt for something with a little flash.

As this is a bespoke look, you will have to follow her footsteps by grabbing one of the many gold dresses we lined up for you int he carousel below.

Also, shop Michael Kors Collection at NET-A-PORTER to the right!

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ACM Awards 2018: Nicole Kidman shows off toned back in gold frock

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