So in love! Nicole Kidman flashes flesh in plunging split gown as she packs on PDA with Keith Urban at Big Little Lies premiere

They just might be Hollywood's most in love couple.

And even after 11 years of marriage Nicole Kidman and Keith Urban looked to still have been in the honeymoon phase as they stepped out for the Hollywood premiere for her new HBO series Big Little Lies.

The 49-year-old stunner wore a plunging split to the thigh gown to the event held at the Chinese Mann on Tuesday.

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Take my hand! Nicole Kidman and Keith Urban looked to still have been in the honeymoon phase as they stepped out for the Hollywood premiere for her new HBO series Big Little Lies on Tuesday at the Chinese Mann

Take my hand! Nicole Kidman and Keith Urban looked to still have been in the honeymoon phase as they stepped out for the Hollywood premiere for her new HBO series Big Little Lies on Tuesday at the Chinese Mann

The 49-year-old stunner wore a plunging split to the thigh gown to the event
The 49-year-old stunner wore a plunging split to the thigh gown to the event

Peek-a-boo! The 49-year-old stunner wore a plunging split to the thigh gown to the event

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Knock their socks off like Nicole in a dress by Altuzarra

Nicole Kidman is really on a style roll right now.

We've spotted her wearing dresses by super high end designer labels like Rochas, Alexander McQueen, Marchesa and Gucci on the red carpet. See, this is why we love awards season!

This time the occasion was the Hollywood premiere of her new HBO series Big Little Lies, and we fell head over heels in love with her gown. It is straight off the Altuzarra SS17 runway, and when styled by Julia von Boehm with jewelry by Fred Leighton, it's a flawless look.

Check out the bead embellishment, as well as the tiered skirt and thigh high split on this dress. Sadly it's not yet available to buy, but click (right) to shop the current collection at Net-a-Porter. Fans of Altuzarra include everyone from Kim Kardashian to Kate Middleton, so you'll be in good company.

Or recreate the look with the help of our edit below. This A.L.C. dress is just dreamy!

The Australian beauty's frock featured a floral pattern, while her husband, also 49, went for a classic look in a black suit and tie.

Kidman stars in Big Little Lies with Reese Witherspoon, who was also in attendance with her lookalike daughter Ava, Shailene Woodley, and Zoe Kravitz.  

While fellow costar Laura Dern arrived in a burgundy and pink layered dress.

Big Little Lies will begin airing on HBO on February 19.  

Come here sweet man! Kidman looked absolutely besotted with her man
So sweet: The duo were positively glowing 

Come here sweet man! Kidman looked absolutely besotted with her man

Going strong: The duo have been married for 11 years

Going strong: The duo have been married for 11 years

All stars: (L-R) Actors Shailene Woodley,Laura Dern, Nicole Kidman, Zoe Kravitz, Reese Witherspoon, Kathryn Newton, Ian Armitage, Ivy George, Cameron Crovetti, Nicholas Crovetti, Chloe Coleman, and Darby Camp

All stars: (L-R) Actors Shailene Woodley,Laura Dern, Nicole Kidman, Zoe Kravitz, Reese Witherspoon, Kathryn Newton, Ian Armitage, Ivy George, Cameron Crovetti, Nicholas Crovetti, Chloe Coleman, and Darby Camp

Glamorous: (L-R) Laura Dern, Nicole Kidman, Shailene Woodley, Zoe Kravitz and Reese Witherspoon arrive at the Los Angeles premiere 

Glamorous: (L-R) Laura Dern, Nicole Kidman, Shailene Woodley, Zoe Kravitz and Reese Witherspoon arrive at the Los Angeles premiere 

Superstars: (L-R) Laura Dern, Nicole Kidman, Shailene Woodley, Zoe Kravitz and Reese Witherspoon all held hands on the grey carpet 

Superstars: (L-R) Laura Dern, Nicole Kidman, Shailene Woodley, Zoe Kravitz and Reese Witherspoon all held hands on the grey carpet 

Give us a kiss: Reese and Nicole shared a sweet greeting on the arrivals carpet

Give us a kiss: Reese and Nicole shared a sweet greeting on the arrivals carpet

Kidman stars in Big Little Lies with Laura Dern, Reese Witherspoon, Shailene Woodley, and Zoe Kravitz

Kidman stars in Big Little Lies with Laura Dern, Reese Witherspoon, Shailene Woodley, and Zoe Kravitz

What a look! Laura looked incredible in her unusual dress in magenta and burgundy 

What a look! Laura looked incredible in her unusual dress in magenta and burgundy 

Meanwhile the actress has optioned the television rights for another bestselling novel, Janice YK Lee's The Expatriates. 

Alice Bell has signed on to adapt the book for serial format with Kidman as a potential lead cast member, according to Deadline.

The show has yet to secure a network or streaming service.

The book centers on three women in New York recovering from recent traumas.

Dance party: Nicole danced with fellow cast members Cameron Crovetti, Ian Armitage, Darby Camp, Ivy George, Nicholas Crovetti and Chloe

Dance party: Nicole danced with fellow cast members Cameron Crovetti, Ian Armitage, Darby Camp, Ivy George, Nicholas Crovetti and Chloe

Group portrait: Reese and Nicole joined the youngsters at the after party

Group portrait: Reese and Nicole joined the youngsters at the after party

Hilarious times: The ladies looked like they were having lots of fun as they danced around the venue 

Hilarious times: The ladies looked like they were having lots of fun as they danced around the venue 

Having a blast: Reese looked phenomenal as she posed with a group of all her young pals while Nicole photobombed her

Having a blast: Reese looked phenomenal as she posed with a group of all her young pals while Nicole photobombed her

Rising talent: Here, the Academy Award winner poses with eight-year-old costar Chloe Coleman

Rising talent: Here, the Academy Award winner poses with eight-year-old costar Chloe Coleman

Meanwhile, Kidman is now rumoured to be lifting the lid on her well-guarded private life by penning a 'tell-all autobiography'. 

According to Woman's Day, the Lion actress could earn up to $11 million in sales after releasing the supposed memoir.

Nicole's account of her husband Keith Urban's drug struggles would no doubt also spark the interest of readers.

Take your daughter to work! Reese brought her lookalike daughter Ava

Take your daughter to work! Reese brought her lookalike daughter Ava

Strike a pose: The movie star, 40, and her 17-year-old daughter attended the premiere for HBO's Big Little Lies 

What a pair! It was hard to tell the two lookalike blondes apart as they hung out together 

Going for gold: Ava looked incredible in her shimmery dress and matching ankle strap heels 

Going for gold: Ava looked incredible in her shimmery dress and matching ankle strap heels 

Looking good! Zoe stunned on the carpet at the show's debut wearing a chic black mini dress and killer heels
Looking good! She carried an unusual box bag in her hand as she posed for some snaps

Looking good! Zoe stunned on the carpet at the show's debut wearing a chic black mini dress and killer heels 

After affair: Nicole and pal Reese Witherspoon caught up at the Big Little Lies premiere after-party

After affair: Nicole and pal Reese Witherspoon caught up at the Big Little Lies premiere after-party

Good times: The actresses wrapped an arm around each other at the after party

Good times: The actresses wrapped an arm around each other at the after party

What a superstar: Shailene Woodley looked incredible wearing a metallic Grecian inspired gown
Wow thing: She posed with her hand on her hip as she stood for yet more snaps

What a superstar: Shailene Woodley looked incredible wearing a metallic Grecian inspired gown

Top talent: Shailene, Nicole and Laura got together at the premiere

Top talent: Shailene, Nicole and Laura got together at the premiere

Goofing around: Shailene pulled silly faces as she posed with fellow cast member Ian Armitage and a teddy bear 

Goofing around: Shailene pulled silly faces as she posed with fellow cast member Ian Armitage and a teddy bear 

Warm embrace: The Australian actress hugged her longtime friend Reese. You can spot Nicole's husband Keith Urban in the background

Warm embrace: The Australian actress hugged her longtime friend Reese. You can spot Nicole's husband Keith Urban in the background

Just like mom! Nicole also chatted up Reese's mini-me daughter Ava Phillipe

Just like mom! Nicole also chatted up Reese's mini-me daughter Ava Phillipe

Big hug: The Oscar-winning actress shared a hug with her young co-star

Big hug: The Oscar-winning actress shared a hug with her young co-star

Country musician Keith has made no secret of how instrumental Nicole was to him kicking his drug addiction, telling Woman's Day that his wife 'saved' him by staging an intervention in 2006, just months after their nuptials. 

'You can't save somebody, they've got to save themselves,' Kidman said during an appearance with The Jess Cagle Interview last year. 

'Which is a very big thing for people like me who go, 'I can take care of you. I can do it'. It's a massive lesson because as much as I thought I can do all the work for him, I can make him better, I can take it away, I can help,' she continued. 

'At some point you just have to say, 'I love you and I'm here when you decide to do the work. And if you don't, then that's it'.

Tall order: Earlier in the day, Reese Witherspoon (left) and Nicole Kidman (right) posed for snaps at a photocall for the television show
Hugs a-plenty: The girls threw their arms around one another

Tall order: Earlier in the day, Reese Witherspoon (left) and Nicole Kidman (right) posed for snaps at a photocall for the television show

Double trouble: The girls' outfits complemented one another as they posed for yet more snaps 

Double trouble: The girls' outfits complemented one another as they posed for yet more snaps 

Flower power: Reese (left) looked incredible wearing a summery mini dress with contrasting pink heels while Nicole's look was a little more formal (right)
She's done this before: The stunner posed with her hands on her hips in her sexy outfit

Flower power: Reese (left) looked incredible wearing a summery mini dress with contrasting pink heels while Nicole's look was a little more formal (right) 

She's got it going on: Also present was Shailene Woodley who looked fantastic in a low cut blue dress which showed off her figure 

She's got it going on: Also present was Shailene Woodley who looked fantastic in a low cut blue dress which showed off her figure 

Cute: Reese looked incredible as she answered questions while at the photocall
Wow thing: She showed off her perfect smile while wearing pink lipstick

Cute: Reese looked incredible as she answered questions while at the photocall

Looking good: Co-star Laura Dern looked youthful in a classic blue shirt which had a sensational studded detail 

Looking good: Co-star Laura Dern looked youthful in a classic blue shirt which had a sensational studded detail 

What a woman: Zoe Kravitz looked incredibly elegant as she sat for questions wearing a khaki green sleeveless top
Smiling stunner: She wore a pair of oversized gold earrings which drew attention to her stunning features

What a woman: Zoe Kravitz looked incredibly elegant as she sat for questions wearing a khaki green sleeveless top 

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Nicole Kidman and Keith Urban at Big Little Lies premiere

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