Prince Harry and Meghan visit UN during world leaders' meeting

Britain's Prince Harry and Meghan, the Duchess of Sussex, met Saturday with a top UN official amid the world body's biggest gathering of the year.

The royals came to UN headquarters to speak with Deputy Secretary-General Amina Mohammed. All three were due to appear later Saturday at the Global Citizen concert in New York's Central Park.

"It was a lovely meeting," Meghan said as the couple left the UN headquarters.

Prince Harry and Meghan leave the United Nations headquarters. Photo / AP

The UN said Mohamed commended the couple's efforts to promote vaccine equity worldwide and hailed priorities they and the UN share, including climate, women's economic empowerment, youth engagement and mental health.

Meghan and Harry are set to press for vaccine equity during the star-studded, 24-hour concert. It features performances staged in locations from New York to Paris to Lagos, Nigeria, and Seoul, South Korea.

Deputy Secretary-General Amina Mohammed. Photo / AP

The United Nations is in the midst of the annual General Assembly gathering of world leaders, though the couple didn't participate in the speeches in the assembly hall.

The former Meghan Markle has been involved with the UN women's agency, becoming an "advocate for political participation and leadership" several years ago. Harry visited the children's agency Unicef at in New York in 2010.

The royals came to U.N. headquarters to speak with Deputy Secretary-General Amina Mohammed. Photo / AP

Earlier this week, Harry and Meghan visited a New York City school, the World Trade Center's centrepiece tower and the September 11 museum, among other stops in New York.