Steven, 23, also walked away with K1000 cash as the prize money.
She hails from Gabensis village in the Wampar LLG of Huon District.
The queen contest was one of the highlights of the show which gave the young Papua New Guineans an opportunity to take pride in and display their cultural heritage.
The exhibit was for young women, aged 14 years and above. They were judged on their knowledge, and presentation of their traditional dress, as well as their grooming and personality.