Kate Middleton and Prince William have left Princess Charlotte, two, and George, four, at home.
However, this evening they spent time with two other royal children.
The Duke and Duchess of Cambridge met Princess Victoria and Prince Daniel and their children at Haga Palace in Sweden today.
Their children are Princess Estelle, five, and Prince Oscar, one.
The two families had tea at the palace. Earlier Kate and William visited a school in the Nordic country.
Making a splash with her outfit, Kate wore a head-turning red and white houndstooth coat.
She paired this a Chanel handbag and matching shoes, both of which she bought for a previous tour of Paris and has worn several times since.
The mum-of-two completed this with a pair of brown gloves to protect her hands from the cold.
Last night Kate Middleton stunned in a £2000 gown for dinner with the Prime Minister of the country.
The gown is worth £1,945 and is from Canadian designer Erdem, also loved by Prince Harry’s fiancee Meghan Markle.
The Stephanie floral-print silk crepe de Chine gown had a ruffled collar and bell-cuffed sleeves.
Kate is a big fan of Erderm, especially on year tours and she first wore the label during the royal tour of Canada in 2011.
Earlier that day the pregnant Duchess, who has been rumoured to be expecting twins, chose a green dress and black court shoes to meet the Swedish royal family in Stockholm for the first time.
Joined by husband Prince William, 35, pregnant Kate paired her green dress with black tights and black heeled court shoes.
The royal couple met King Carl XVI Gustaf and Queen Silvia of Sweden at the palace.
They also greeted Prince Daniel and Victoria, Crown Princess of Sweden ahead of having lunch together.