She represented Vietnam at Miss Universe 2018 in Bangkok , Thailand . In the months leading up to the pageant , H'Hen 's training and preparation was documented and aired as a YouTube series called '' Road to Miss Universe 2018 '' . The Miss Universe Vietnam Organization held a contest to find the Vietnamese national costume that H'Hen would wear for the national costume competition at the pageant . Six designs made it to the final round . After a nationwide vote , the top three designs were selected : '' Bánh Mì '' ( inspired by the Vietnamese sandwich bánh mì ) , '' Phố cổ '' ( inspired by the ancient town of Hội An ) , and '' Ngũ hổ '' ( inspired by the classical Hàng Trống painting and Vietnamese opera ) . In the end , '' Bánh Mì '' was selected to be Vietnam 's national costume at Miss Universe 2018
Miss Universe 2018
Miss Universe 2018
H'Hen Niê