Naomi Watts slips into silk white dress for The Glass Castle premiere as she discusses how her split from Liev Schreiber affected co-parenting their two sons in candid interview

She announced her split from partner of 11 years, Liev Schreiber, last September.

But Naomi Watts, 48, looked in good spirits as she attended The Glass Castle premiere in New York, after opening up in a candid interview about family life.

Her glamorous appearance at the star-studded red carpet came after she discussed their co-parenting arrangement, revealing that while they are no longer together, they remain united as parents for their two sons.

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Candid: Naomi Watts, 48, looked in good spirits as she attended The Glass Castle premiere in New York, after opening up in a candid interview about family life

Candid: Naomi Watts, 48, looked in good spirits as she attended The Glass Castle premiere in New York, after opening up in a candid interview about family life

The British actress told Australian Women's Weekly that despite her differences with 49-year-old Liev, they both see eye to eye when it comes to raising children Alexander 'Sasha', 10, and Samuel Kai, seven, in a stable environment.

'Routine is a big part of it,' she told the publication.

'Obviously Liev and I are actors - there is some moving - but we've really tried to keep the boys in the same school. Give them structure, boundaries.'

Star factor: Her glam appearance at the star-studded red carpet came after she discussed their co-parenting arrangement, revealing they remain united as parents for their two sons
Looking al-white! This came as she appeared at the premiere of her latest flick in a glamorous silk ensemble
Red hot! Injecting a splash of colour with a bold red lip and scarlet stilettos, accessorising with a metal clutch

Star factor: Her glam appearance at the star-studded red carpet (Fendi outfit and shoes/Judith Leiber clutch) came after she discussed their co-parenting arrangement, revealing they remain united as parents for their two sons

Pictured with Cindy Adams: Oscar-winner Brie Larson gives a bravura performance alongside Oscar nominees Naomi Watts and Woody Harrelson in a new trailer for The Glass Castle

Pictured with Cindy Adams: Oscar-winner Brie Larson gives a bravura performance alongside Oscar nominees Naomi Watts and Woody Harrelson in a new trailer for The Glass Castle

This came as she appeared at the premiere of her latest flick in a glamorous silk Fendi ensemble and Judith Leieber clutch.

Injecting a splash of colour with a bold red lip and scarlet stilettos (also by the Italian label), accessorising with a metal clutch and some dazzling Anita Ko jewelry.

She was joined by Brie Larson and her host of co-stars.

Oscar-winner Brie Larson gives a bravura performance alongside Oscar nominees Naomi Watts and Woody Harrelson in a new trailer for The Glass Castle.

L-R: Chandler Head, Ella Anderson, Brie Larson, Jeannette Walls

L-R: Chandler Head, Ella Anderson, Brie Larson, Jeannette Walls

Glam quartette! (L-R) Brie Larson, Max Greenfield, Naomi Watts, who added bling to her ensemble in the form of Anita Ko jewelry, and Jeannette Walls

Glam quartette! (L-R) Brie Larson, Max Greenfield, Naomi Watts, who added bling to her ensemble in the form of Anita Ko jewelry, and Jeannette Walls

Mingling: Brie Larson, Jeannette Walls (Author), Destin Cretton (Director, Writer)

Mingling: Brie Larson, Jeannette Walls (Author), Destin Cretton (Director, Writer)

Generations of actresses: Brie Larson, Naomi Watts with Chandler Head

Generations of actresses: Brie Larson, Naomi Watts with Chandler Head

Directed by Destin Daniel Cretton and due for release August 11, the film's based on the 2005 memoir by Jeannette Walls, whom Brie portrays when she's an adult.

Woody and Naomi play Jeannette's parents Rex and Rose Mary, who are seen leading a nomadic and chaotic existence with the young Jeannette and her three siblings. 

Last month, Naomi star surprised fans when she reunited with the Ray Donovan star for their son Sasha's birthday.

United: Despite ending their 11-year romance, Naomi and Liev remain united as parents for their two sons - Alexander 'Sasha', 10, and seven-year-old Samuel Kai

United: Despite ending their 11-year romance, Naomi and Liev remain united as parents for their two sons - Alexander 'Sasha', 10, and seven-year-old Samuel Kai

In a snap shared to Instagram, the exes were pictured coming together to help the youngster cut his birthday cake.

In May, Naomi told Vogue Australia she and Liev are on 'great terms' and that she is in no rush to dive back into the dating scene. 

'I mean, I'm single, I'm co-parenting... I'm doing okay,' she said.

Reunited! Last month, Naomi star surprised fans when she reunited with the Ray Donovan star for their son Sasha's birthday

Reunited! Last month, Naomi star surprised fans when she reunited with the Ray Donovan star for their son Sasha's birthday

Friendly exes! Naomi previously said she and Liev are currently on 'great terms' and she is in no rush to dive back into the dating scene

Friendly exes! Naomi previously said she and Liev are currently on 'great terms' and she is in no rush to dive back into the dating scene

While the former couple are getting on well following the breakup, the actress admits she does have her 'bad days'.

'There are good days and there are bad days and Liev and I are on great terms - we're trying to do our absolute best for the sake of the children and we hope to keep moving forward in that way.'

She added: 'He's fantastic dad, a wonderful, wonderful man, and we still want the absolute best for each other. So that's pretty much all I'll say.' 

Over: Naomi and American actor Liev announced their split via a joint statement in September

Over: Naomi and American actor Liev announced their split via a joint statement in September

Naomi and American actor Liev announced their split via a joint statement in September.

'Over the past few months we've come to the conclusion that the best way forward for us as a family is to separate as a couple,' a statement read.

'It is with great love, respect, and friendship in our hearts that we look forward to raising our children together and exploring this new phase of our relationship.'

Happy place: The Gypsy star said she feels in a 'good place' after their amicable split

Happy place: The Gypsy star said she feels in a 'good place' after their amicable split

They added: 'While we appreciate your curiosity and support, we ask the press to be mindful of our children and respect their right to privacy.' 

The Gypsy star previously said she feels content after separating from Liev and that her focus is on their two children.

'I feel I'm in a good place in my life and I want to make sure my kids are healthy, my kids are happy and things are going to go well. Those are my hopes for me and for all of us,' she told News Corp.   

The boys: After meeting at the Met Gala in New York in 2005, the couple had their first child, Alexander, in 2007 before later welcoming Samuel

The boys: After meeting at the Met Gala in New York in 2005, the couple had their first child, Alexander, in 2007 before later welcoming Samuel

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