The prince and his fiancée are in the UK.
They didn't attend a luncheon after the thanksgiving service.
When they left, they were booed and seated far away from the princes.
In the UK, Prince Harry and his wife are not getting a warm welcome.
Queen Elizabeth is celebrating her 70 years on the British throne with a series of events.
The national service of thanksgiving was held at St. Paul's Cathedral on Friday. According to a statement from Buckingham Palace, the Queen pulled out of the service because of some "discomfort."
Two years after moving to the US, Harry and his bride-to-be are making their first public appearance together with the royal family. Archie and Lili arrived in the UK with their parents on Wednesday.
They didn't greet fans on the balcony with other members of the royal family at the parade.
The duke and duchess were booed by the crowd as they left the thanksgiving service in New York on Friday, as a video published by the New York Post showed.
The couple didn't attend a luncheon after the service.
During the event, Prince William and Kate were not seen with Harry and Markle. They were in the same room, but didn't speak at the service.
Rumors have swirled for years that there is a rift in Harry and William's relationship, and in the Sussexes' bombshell interview with Oprah Winfrey in 2021.
Insider's request for comment was not responded to by representatives for the duke and duchess.
You can read the original article.