>>8922943She's likely from one of the cities on the east coast of Australia.
Second generation immigrant since she still has a lot of the ESL language ticks that line up with American English rather than Australian English which she would have picked up from her parents who will have learnt English from American made materials due to their ubiquity and low cost.
Probably grew up in a low income suburb since her accent goes full bogan at times. Probably a bit ashamed of it since she goes to such efforts to hide it.