William and Harry attended the North's society wedding of the year.
The marriage of Lady Melissa Percy, the daughter of the Duke and Duchess of Northumberland, took place in Alnwick.
Sarah Kelly reports.
Those hoping to see Lady Melissa Percy and the royal guests have been waiting since first thing this morning.
Alnwick town cryer, John Stevens, has announced the wedding of the Duke of Northumberland's daughter.
Lady Melissa Percy will exchange vows with Mr van Straubenzee in a parish church close to her family's ancestral home, Alnwick Castle
Prince William and Prince Harry are expected to be among the congregation at the wedding of the Duke of Northumberland's daughter.
Lady Melissa Percy is to marry Thomas van Straubenzee at a local parish church in Alnwick on Saturday 22 June.
But Kate will not be attending. With the wedding taking place in Northumberland and her baby due in mid-July, it is possible she has decided not to travel.
The Duchess of Cambridge will miss the society wedding of good friends this weekend as the final countdown to the birth of her baby begins.
It was rumoured Kate, who is more than eight months pregnant, would be at the wedding of Lady Melissa Percy and Thomas van Straubenzee.
The Duke and Duchess of Northumberland will host their daughters wedding tomorrow in their home town of Alnwick.
William and Prince Harry are expected to be among the congregation as they are long-time friend the groom.
The brothers were at the chartered surveyor's London stag do earlier this month.
The Duchess's final official public appearance was last weekend when she attended the Trooping the Colour ceremony with other members of the Royal Family.
Kate, who is more than eight months pregnant, will stay at home, but William and Harry are expected to be among the congregation to watch Thomas van Straubenzee marry Lady Melissa Percy.
The Duchess' final official public appearance was last weekend when she attended the Trooping the Colour ceremony with other members of the Royal Family.
Will Graham, Actor.
Teenagers in Alnwick have been learning about the dangers of drugs by watching an actor play an anti-social character.
Hundreds gathered at Alnwick Gardens to talk about the pressures of drugs and alcohol.
It was part of the 'Reality Roadshow' where young people take part in hard-hitting scenarios to learn about dangeous social situations and how to deal with them.
There is growing speculation The Duke of Cambridge and his brother Harry could be at the society wedding in Northumberland this weekend.Read the full story ›
People in Alnwick have been reacting to reports that the Duchess of Cambridge may visit the town next Saturday for a wedding at St Michael's Church in the town.