A Perth woman has been found guilty of setting alight an acquaintance she believed was having an affair with her husband.
Natalie Dimitrovska, 28, was on trial for intentionally causing grievous bodily harm to Dana Vulin, who suffered burns to 60 per cent of her body in the attack at her Rivervale apartment in June last year.
The jury took just over three hours to reach their verdict.
Perth's District Court heard that Dimitrovska had previously told Ms Vulin she would "ruin her pretty little face", and had stormed into her unit demanding to know where her husband was hiding.
Two days later, Dimitrovska broke into the apartment, and during an argument deliberately took the top off a methylated spirits bottle and doused Ms Vulin, who was holding a lit meth burner.
Dimitrovska was accused of laughing as she ran away while Ms Vulin suffered burns that will require lifelong treatment.
Dimitrovska then changed her hair colour and bought a one-way ticket to Macedonia, but was arrested at Perth Airport moments before departure.
She claimed she had not meant to injure Ms Vulin and had thrown the bottle in self-defence during the argument.
But prosecutor Linda Petrusa said that version "defied belief".
Ms Vulin's face, back, neck, chest and abdomen all suffered full thickness burns, and she is expected to wear a full face-pressure suit as part of her treatment for at least another year.
She attended every day of the trial and gave evidence of how she became a "human fireball".
Outside court, Ms Vulin's sister Svetlana Velickovski told reporters the family thanked those who had supported her sister and sent well wishes.
"Today's verdict has bought us a lot of relief," she said.
"We couldn't be happier and look forward to her (Ms Dimitrovska) getting a lengthy sentence."
Dimitrovska's lawyer David Manera said his client was "devastated" but it was too early to decide if she would appeal the verdict.
Dimitrovska will be sentenced on October 11.
