Elon Musk’s daughter has called out her billionaire father in a series of harsh posts on social media.

Vivian Wilson, 20, labelled her dad a “serial adulterer” and “not a family man” on Threads, X’s rival website.

Vivian, who is transgender and transitioned in 2022, lashed out at the Tesla CEO for a range of reasons, including not being Christian.

She also claimed he doesn’t care about climate change and lied about his Mars colonisation program.

Wilson, who is estranged from her father, said: “I understand your new angle is this ‘western values/christian family man’ thing but it’s such a weird choice”.

She posted a photo of a smiling Musk with his family, with Musk patting himself on the back in the caption: “All five boys super happy”.

Not true, according to Vivian.

“Look, I don’t know if you genuinely believe this or if you live in your own delusional fantasy land and frankly, I don’t care. It seems to me like you’re trying to rebuild your brand image as the ‘caring paternal father’ which I will not let go unchallenged.

“If I’m going to be honest, this is absolutely pathetic. You just won’t stop lying about me in interviews, books, social media, etc. Thank god you’re absolutely terrible at it because otherwise this would be significantly more difficult.”

Wilson continued to scold him, even labelling her father as a “serial adulterer”.

“You are not a family man, you are a serial adulterer who won’t stop f***ing lying about your own children. You are not a christian, as far as I’m aware you’ve never stepped foot in a church.

“You are not some ‘bastion for equality/progress’.”

She then highlighted an incident that occurred when she was a child, and some recent court cases.

“You called Arabic the ‘language of the enemy’ when I was six, have been sued for discrimination multiple times, and are from Apartheid South Africa.”

A furious Wilson continued her tirade, this time focusing on climate change.

“You are not ‘saving the planet’, you do not give a f*** about climate change and you’re lying about multi-planetary civilisation as both an excuse, and because you want to seem like the CEO from Ready Player One.

“I would mention the birth rate stuff, but I am not touching that weird 14-words breeder s**t with a ten foot pole. You single-handedly disillusioned me with how gullible we are as a species because somehow people keep believing you for reasons that continue to evade me.”

In March, Tesla settled a lawsuit by a black former factor worker who claimed to have experienced severe racial harassment. Settlement numbers for Owen Diaz, who sued the carmaker in 2017, range from $3.2-$137m.

There's also a pending lawsuit against Tesla by 6000 workers who claim the company tolerate racial bias. Tesla has denied any wrongdoing.

And it’s not just Tesla facing lawsuits, in a case filed in June in Los Angeles, workers fired by SpaceX accused Musk of fostering a sexist "Dark Ages” culture at the company.

Musk has 12 children with three different women, Canadian author Justine Wilson, who is Vivian’s mother, musician Grimes, and his employee Shivon Zilis.

He had previously claimed he was deceived into letting Wilson undergo gender reassignment surgery.

“I was essentially tricked into signing documents for one of my older boys, Xavier,” the billionaire, 53, told psychologist Dr. Jordan Peterson in a Daily Wire interview, using Wilson’s deadname after she transitioned in 2022.

“This is before I had any understanding of what was going on. COVID was going on, so there was a lot of confusion, and I was told Xavier might commit suicide if he doesn’t [make the change].”

Musk then argued that the concept of allowing children to transition is “incredibly evil” and said those who have been promoting the surgery “should go to prison.”

“They call it ‘deadnaming’ for a reason. The reason they call it ‘deadnaming’ is because your son is dead. My son Xavier is dead — killed by the woke-mind virus,”

Musk shares Wilson and five other kids with ex-wife Justine Wilson. They were married from 2000 to 2008.