The Duke and Duchess of Sussex met with King Tupou VI and Queen Nanasipau & # 39; u at the Consulate House in Tonga's capital Nuku & # 39; alofa for a private audience.
Meghan Markle looked radiant in a floor-length white dress by Theia Couture with cap sleeves and decorated with pearl ornaments on her shoulders.
The expectant mother wore her hair to show a sparkling set of diamond earrings.
READ MORE: ROYAL LIVE 19659005] At the arrival of the Duke and Duchess, a band played Imagine by John Lennon.
The couple attended an official reception and dinner with traditional entertainment.
"It was very nice to see so many Tongan flags."
During the Pregnant Duchess was advised by a receptionist to "take care of himself"
Among the dignitaries met Harry and Meghan Charles Cato, a New Zealand judge, and his Russian wife Miriam.
Ms. Cato said, "I asked, how does she feel?" She replied, "Very well, thank you." I said, "No visible signs yet!"
This caused the Duchess to look in front of her dress approvingly laughing.
Ms. Cato, 41
"I asked her to take care of herself, she promised."
Meghan's stunning floor-length dress is her third outfit of the day – she's already shown her royal show Babybump in a green Jason Wu dress and red self-portrait dress.
But the Duchess suffered a wardrobe malfunction when she arrived for the tenth day of her royal tour, after the price tag was still attached to her bright red dress of £ 345.
The red dress reflected Tonga's national flag.
Meghan and Harry arrived early this morning in the Pacific Nation for the final stage of their tour.
The royal couple left Nadi in West Fiji on a Qantas charter plane to Tonga and was picked up by Princess Angelika Latufuipeka at Fua & # 39; amotu
Meghan and Harry then walked on the red carpet, accompanied by traditional entertainment from Pelehake Villagers
Schoolchildren had cleared the day and lined the streets from the airport to the capital of Nuku'alofa, waving flags and cheering as the convoy made the 40-minute journey.
Earlier the day before The Duke left Fiji and unveiled a memorial to a British-Fijian soldier who died in the Battle of Mirbat
Sergeant Talaiasi Labalaba of the Special Air Service (SAS) alone held 250 insurgents with a 25 Pounder fires field gun after he was shot in jaw in 1972 during the Battle of Oman.
He was part of a nine-member SAS team outside Mirbat when they were attacked by the People's Front for the Liberation of the Occupied Arab Gulf (PFLOAG).
Sergeant Labala Ba was posthumously mentioned in reports of his bravery in combat.
After the ceremony, Fiji Major General Jioji Konrote gave a short speech thanking the royal couple for their visit and congratulating them on their baby news  He said, "Thank you for coming to Fiji and gave us your welcome but very short visit.
"It is good to know that you promise to come back. May Almighty God be with you now and in the future.
Harry also gave a speech beginning with the traditional Fiji greeting "Bula" and added, "Thanks to the people of Fiji for the warm welcome we received during our visit
" The Duchess and I have special memories of your beautiful country and look forward to returning in the future. "