The pregnant Duchess of Sussex's green-and-white striped cotton dress by Martin Grant comes from their Spring/Summer 2019 collection and retails at US $1,385.
She accessorised the button down dress with matching green suede pumps and a Prada clutch.
If the shoes look family to you, there's good reason why! They are the same heels she wore to Prince Louis’ christening in July.
Meghan's hair was up again, in a slicked-back ponytail with middle part.
The royal couple were met by more than 50 civil servants wearing red and black shirts and traditional outfits as they entered the St George Government Buildings
Harry and Meghan will later go on to see an exhibition of Tongan handicrafts and the oldest secondary school in the Pacific.