Blac Chyna showed off her muscles at a face off on Friday ahead of her upcoming celebrity boxing match in Miami, Florida.

The socialite, 35, – who shares a daughter, five, with Rob Kardashian with whom she used to be engaged – showcased her abs and jacked arms in a black sports bra.

It comes after last month Chyna lost a $108million defamation case against Rob’s famous family – the Kardashians.

During the face off she gave a glimpse of her torso tattoos in the zip-up sports bra which she teamed with matching тιԍнт leggings.

Despite being at a sporting event she opted for a glamorous makeup look and wore her short blonde hair in her classic buzz cut style.

She looked like she meant business as she faced off against her celebrity opponent social media star Alysia Magen ahead of Saturday’s fight.

It comes after she vowed to appeal the verdict in her defamation trial, which saw her lose a $108 million case against the Kardashians.

She had accused Kim Kardashian, her sisters Khloe and Kylie Jenner and their mother, Kris Jenner, of making statements that ruined or defamed her reputation and of plotting to get her TV show Rob and Chyna axed.

During the jury selection process, her mother Tokyo Toni went live on Instagram and unleashed a furious tirade in which she said the Kardashians ‘look like they ᴅᴇᴀᴅ’ in the flesh.

She called Kris Jenner ‘old and decrepit,’ comparing her to the villain in Saw, and said: ‘Khloe was shaking her f***ing head off everything every juror said. You all right, b****? Did you have some Xanax or something before you got there, b****?’

The Kardashian-Jenners’ attorney then argued in court that Kris ‘was worried about her physical safety’ and the judge barred Toni from the courtroom.

The Los Angeles jury found that none of the members defamed Chyna, nor did any interfere with her contract by convincing the E! network to cancel her reality show Rob & Chyna.

After about 10 hours of deliberations, the jurors decided on the long jury form that the Kardashians often acted in bad faith, finding that they were not justified in telling the executives and producers of Rob & Chyna that Chyna abused their son and brother Rob Kardashian.

But they found that it had no substantial effect on Chyna’s contract or the fate of the show, and she was awarded no damages.

Executives from the E! network, which aired the show, testified that Rob & Chyna ended because the relationship ended, not because of the defendants’ actions.

‘They’re very pleased,’ Rhodes said. ‘I hope they enjoy their gala in New York.’

Chyna’s attorney Lynne Ciani said that based on her reading of the verdict, ‘the jury found that Chyna had not physically abused Rob Kardashian,’ and ‘the jury found that all four defendants had intentionally interfered with her contract with the E! Network.’

‘We will appeal on the remaining questions,’ she added.

Chyna sat in stunned silence as the court clerk announced their decision. Her mother has now launched a GoFundMe to try and pay for her daughter’s appeal. She is seeking $400,000.

The Kardashians, meanwhile, were ‘exuberant’ at the news, their lawyer Michael Rhodes said. They were not in court, because they were attending the Met Gala in New York City.

‘I’m just happy it’s over,’ Kris Jenner told Variety. She said the toughest part was ‘going through it’.

Asked how she coped, she replied: ‘Pray. I live in my faith and just hope that’s enough, and yeah, I’m glad it’s over. I’m glad it’s over for the girls. We’re here to celebrate.’