The Duke and Duchess of Sussex arrived in Nadi, western Fiji, on Oct. 25 where a statue to commemorate Sergeant Talaiasi Labalaba was due to be unveiled.
The pregnant Duchess wore her brunette hair loose around her shoulders for the occasion and paired her green dress by designer Jason Wu with towering heels.
She accessorised her look with golf leaf earrings.
"What a great colour on her!" fashion expert Donny Galella told New Idea.
"Love the unexpected combo of the navy shoe with the forest green dress."
Prince Harry, meanwhile, opted for a pale suit with a white shirt – and completed his look with medals on his pocket.
Jason Wu is a Taiwanese and Canadian artist and fashion designer based in New York City.
Born in Taiwan and raised in Vancouver, he studied fashion design at Parsons School of Design, and trained under Narciso Rodriguez before launching his own line
It's not the first time Meghan has worn a Jason Wu outfit on tour.
Back in Australia, Meghan wore a black Jason Wu dress with an interesting ruched collar.
She was attending a private reception at Government House in Sydney, which was hosted by the Governor of New South Wales.