Kate Mara and Jamie Bell are seen together for the first time since welcoming their newborn son

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Kate Mara and her husband, Jamie Bell, were spotted together in Los Feliz on Sunday for the first time since welcoming their second child, a baby boy, earlier this month in November.

The House Of Cards actress, 39, and the British-born actor, 36, kept their looks simple and casual as they strolled around town to take in some fresh fall air.

The two stars first crossed paths while filming Fantastic Four in 2014 and officially tied the knot three years later. Along with a newborn son, the couple also shares a three-year-old daughter.

Sunday outing: Kate Mara, 39, and her husband, Jamie Bell, 36, were seen together for the first time on Sunday since welcoming their newborn son earlier this month in November

Sunday outing: Kate Mara, 39, and her husband, Jamie Bell, 36, were seen together for the first time on Sunday since welcoming their newborn son earlier this month in November

Kate opted for comfort for the afternoon outing and donned a red and black flannel jacket to help keep her warm in cooler temperatures.

The actress wore a plain white T-shirt underneath and also donned black sweatpants to complete her overall ensemble for the day.

To make walking around town simple and easy, the mother of two wore a pair of white sneakers tied with laces.

She accessorized her look by throwing a pale pink fanny pack over her shoulder to hold a few items she needed on the walk.

Peaceful walk: The House Of Cards actress was spotted pushing a black pram with their newborn son, whose name has yet to be revealed

Peaceful walk: The House Of Cards actress was spotted pushing a black pram with their newborn son, whose name has yet to be revealed

Kate styled her hair in a ponytail and put on a pair of sunglasses to shield her eyes from the harsh California sun.

The star, who is the eldest sister of actress Rooney Mara, seemed in high spirits as she spent quality time with her family.

Jamie also kept his look simplistic for the Sunday walk, opting to wear a plain gray T-shirt and black trousers.

He added a printed cap and sunglasses to also partially block the sun from hitting his face. The Billy Elliot actor was pictured pushing their daughter down the sidewalk in a red pram.

Second child: The happy couple welcomed their son earlier this month in November and currently share a three-year-old daughter

Second child: The happy couple welcomed their son earlier this month in November and currently share a three-year-old daughter

The big news!  Kate announced to her fans and followers on Instagram that she welcomed a baby

The big news! Kate announced to her fans and followers on Instagram that she welcomed a baby “a week ago” and showed a picture of his tiny feet

Kate announced the big news on Instagram last week that their newborn son was born.

The post featured an adorable photo of their son’s tiny feet. “I had a baby a week ago. Here are his feet,” she captioned the photo. The post did not mention the child’s name.

The announcement echoes the post she made three years ago when she revealed the birth of their first child together, a daughter.

Kate revealed her daughter’s birth on Instagram by sharing an artistic portrait of the toddler’s feet, along with the caption, “We had a baby a few weeks ago…Here are her feet.”

Similar Posts: Kate's baby boy announcement was almost a replica of her Instagram announcement when their baby girl was born in 2019

Similar Posts: Kate’s baby boy announcement was almost a replica of her Instagram announcement when their baby girl was born in 2019

Cute: Kate and Jamie officially said 'I do' in 2017, after the stars crossed paths while filming Fantastic Four in 2014

Cute: Kate and Jamie officially said ‘I do’ in 2017, after the stars crossed paths while filming Fantastic Four in 2014

Mara announced on Instagram that she was expecting baby number two in July and posted a glamorous photo of her and her husband with the caption, “There are three of us in this picture.”

The two lovebirds initially crossed paths while working on the same set of the hit movie Fantastic Four earlier in 2014.

The couple began dating soon after and tied the knot in 2017. They welcomed their daughter in 2019 and their son earlier this month, and have yet to reveal the names of both to the public.

During an earlier interview with Form magazineKate said she was “very protective” of her marriage to Jamie, adding, “I’m very proud to call Jamie my husband and to have made that commitment to him.”

Jamie was previously married to actress Evan Rachel Wood, from 2012 until their divorce in 2014. He shares a nine-year-old son with Westworld actress, to whom Kate has become a stepmother.

Announcing the news: Kate revealed she was expecting baby number two in an Instagram post in July with the caption, 'There are three of us in this picture'

Announcing the news: Kate revealed she was expecting baby number two in an Instagram post in July with the caption, ‘There are three of us in this picture’

Stepmother: Kate became a stepmother to Jamie's nine-year-old son, whom he shares with ex-wife and Westworld actress, Evan Rachel Wood;  seen the couple in 2019 in Hollywood

Stepmother: Kate became a stepmother to Jamie’s nine-year-old son, whom he shares with ex-wife and Westworld actress, Evan Rachel Wood; seen the couple in 2019 in Hollywood