In 2010, the Princess Royal attended the World Expo in Shanghai, China, to help boost the tourism industry in Tonga.

[2] In November 2013, she hosted a reception to mark the 15th anniversary of diplomatic relations between Tonga and China; the guests of honour were Li Baodong, former Vice-Minister of Foreign Affairs and Li Xiaolin, former Chairperson of the China Power Investment Corporation.

[3] As a member of the royal family, and on behalf of the King she carries out official engagements, which includes inaugurating new schools,[4] new facilities,[5][6] and other public attractions.

But on 11 March 2011, her brother, the late King George Tupou V, abolished the need for a Regent in his absence, an official press release from the palace stated, "His Majesty has decided that there will not be a Regent appointed during his absence as the new Constitutional arrangements make such an appointment unnecessary".

[22] The Princess Royal,[23] with her husband, The Honourable Siosaʻia Maʻulupekotofa, Lord Tuita of ʻUtungake, a Tongan noble and former diplomat, are the parents of four daughters: and a son, whom they raised from her brother, the late Prince Fatafehi ʻAlaivahamamaʻo Tuku'aho (27 September 1954 – 17 February 2004):