On his Instagram account, the Johor prince posted a photo of his sister, Tunku Aminah Maimunah Iskandariah, with her hair tied in a bun and wearing a baby blue baju kurung.
State executive councillor Ling Tian Soon said the prince would be representing Johor Regent Tunku Ismail Ibni Sultan Ibrahim to the annual event, which has more than 150 years of history.