Kate finished the look with the diamond and pearl Cambridge Lover's Knot tiara owned by Princess Diana, which she also wore to the Chinese state banquet in 2015 and the Spanish state banquet past year.
Marrying into the royal family can at times be hard work, even when it takes you to a tropical island like Fiji, where the couple has received a warm welcome everywhere they go.
Before Kate wore it during diplomatic receptions at Buckingham Palace in 2015 and 2016, and during the state visit of the Royal couple of Spain in 2017.
The Duchess of Cambridge attends the Netherlands state banquet wearing the Cambridge Lover's Knot tiara and an Alexander McQueen dress.
The royal couple are on the 10th day of their 16-day tour of Australia and the South Pacific.
Duchess Kate steps out in the late Princess Diana's beloved tiara for state dinner
Meghan teamed the pom pom-adored dress with a $7,300 (R105 000) Shaun Leane serpent bracelet and her favourite Castañer Carina espadrille wedges that she previously wore on Bondi Beach last Friday to mark the Suva university's 50th anniversary.
Kate Middleton has topped off her look with Princess Diana's tiara again!
She regularly loans pieces out to younger members of the Royal Family.
On a hot and humid day in the Fijian capital, the duchess, wearing a dress by Figue and carrying a woven bag made by women at the market, was greeted by crowds waving flags and cheering.
During a visit to Fiji's Suva Market, the pregnant Duchess of Sussex had to be rushed out after just a few minutes because of reported security risks on Wednesday, October 23.