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.
Prince's William and Harry, Princess Eugenie and Princess Beatrice were among 500 guests who attended the wedding of the daughter of the Duke and Duchess of Northumberland in Alnwick on Saturday. Hundreds of people lined the streets as guest arrived, including Pippa Middleton and Chelsy Davy.
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 has decided not to attend the wedding of Prince William's close friend tomorrow.
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.
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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.