Wills and Kate continued their whistlestop tour of Asia on Thursday.
The Royal couple visited a hospice in Malaysia.
It was Kate's first speech abroad.
(SOUNDBITE) The Dutchess of Cambridge, Catherine, also known as Kate, saying (English):
"[We] are absolutely delighted to join you all here at 'Hospice Malaysia'. It's so exciting to learn about the country's very first paediatric palliative care programme, and to witness for myself something of the wonderful work of Hospice Malaysia's superb staff."
Kate is also the Royal Patron of UK East Anglia's Children's Hospices.
Malaysia is their second stop on their Diamond Jubilee tour in the region to celebrate the 60th anniversary of the reign of Queen Elizabeth II.
It's the first Royal visit to the the country in 14 years.
The Queen was the last to visit in 1998.
William and Kate will stay in Kuala Lumpur for two days before departing for a visit to a rainforest reserve in Sabah state on Borneo Island on Saturday.
William's late mother, Princess Diana, was reknowned for her work with disadvantaged and sick children.