Will Arnett Quietly Splits From His Girlfriend Of Six Years, As They Co-Parent Their Son 'Amicably'

Will Arnett and his girlfriend, Alessandra Brawn, have reportedly broken up after six years together.

The couple, who share a 5-year-old son, Denny, are said to have quietly gone their separate ways and have now turned their attention to co-parenting the toddler.

Meanwhile, Will Arnett has remained close with his ex-wife, Amy Poehler, from whom he filed for divorce in 2012.

Will Arnett Splits From Alessandra Brawn

Hollywood actor Will Arnett split from his longtime girlfriend Alessandra Brawn earlier this year.

According to The U.S. Sun, a source stated that the "Arrested Development" actor and the fashion executive quietly broke up and are now co-parenting their son, Denny, "amicably."

Throughout their time together, the pair kept their relationship private and rarely shared any details.

Arnett and Brawn were first linked in 2019, with their relationship becoming public after they attended the 2019 Creative Arts Emmys.

The Actor Attended Gigi Hadid's Birthday Bash Without Alessandra Brawn

Amid news of their separation, it's worth noting that Arnett and Brawn have not been pictured together since September 2024.

The actor was also notable without her when he attended Gigi Hadid's 30th birthday party in April of this year at Le Chalet in New York, opting to go with influencer Leah McCarthy.

It remains unknown if McCarthy was the actor's date for the celebration or just a friend.

Will Arnett Praises His Ex-Wife, Amy Poehler, For Her Parenting Skills

Prior to his relationship with Brawn, Arnett was married to Amy Poehler, with whom he shares two sons, Abel and Archie.

The "BoJack Horseman" actor filed for divorce from the actress in 2012, after nine years of marriage, citing "irreconcilable differences." However, they've remained close as they continue to raise their teenage sons together.

Poehler recently appeared on Arnett's "Smartless" podcast with Sean Hayes and Jason Bateman, and received praise from the actor for her parenting skills.

"I have to try really hard, but Amy, you're really good at this, and you help me do this in concert with you, to remember to listen to what they're saying and to not try to impose what I think, 'You need this, you need that,'" Arnett said.

He continued, "To actually sit and listen to what your kid is trying to say. Encourage them to, as much as they can, to speak. I don't come by it naturally because that's not how I was raised."

The Actor Says He Feels 'Really Lucky' To Have Amy Poehler, Despite Their Divorce

Despite their divorce, Arnett and Poehler have managed to maintain a cordial relationship as they focus on co-parenting their children.

Elsewhere on his podcast, he gushed about their healthy co-parenting relationship, noting that he feels "really lucky" to have her.

"I am really proud of it. Of course, things take a minute because everybody is sort of adjusting to what it is," Arnett said. "I'm also very proud of, certainly as parents, what we've been able to do. That has been really important to both of us. I'm really, really lucky to have her as a partner in this way."

Arnett continued, "There aren't many people I speak to more than I speak to her, which is weird, you know what I mean. But it's great. I feel really lucky."

He added, "She's the person that I go like, 'Hey, I'm thinking about doing this.' Whether it's life or work and I really seek her counsel because it's important to me, because I trust her. She's awesome."

Will Arnett Is Set To Play A Stand-up Comedian In Bradley Cooper's New Film

The 55-year-old actor looks to reinvent himself in the trailer for Bradley Cooper's new film, "Is This Thing On?"

The movie, which stars Arnett, Laura Dern, Cooper, Andra Day, Sean Hayes, Amy Sedaris, and Ciarán Hinds, will be released in theaters in December following its premiere at the New York Film Festival on October 10.

In the film, Arnett plays the character of Alex, who, alongside his estranged wife Tess, played by Dern, attempts to push through with the divorce as Alex switches career path to become a confessional stand-up comedian.

"I think I'm getting a divorce," Arnett says from a stage in the trailer. "What tipped me off was that I'm living in an apartment on my own. And my wife and kids don't live there."

Producers for the film include Cooper, Arnett, Weston Middleton, and Kris Thykier.