Williams, who follows Richard Quinn as the award winner, is being recognized for her work around charity, sustainability.
The brand is owned by Fung Capital, which purchased it in 2008.
The honorary knighthood insignia will be presented to Lauren by a representative of Her Majesty Queen Elizabeth II at a ceremony next year.
It has been a topsy-turvy few days for the Trumps in the U.K. with clashing political views, ceremonial welcomes from British leaders and protesters in the streets of London.
It’s been a busy week for the royals, who just celebrated Prince Louis’ christening.
The Queen’s twice-yearly honors list was heavy on beauty industry women.
A second collection is in the works at the British department store.
The pictures were taken by Alexi Lubomirski, who also shot the couple’s engagement photos last year.
The event is a part of the Commonwealth Heads of Government Meeting in London, which is taking place from April 16-20.
Elizabeth Peyton, Cecily Brown and Julie Mehretu accepted their individual awards with a joint speech Wednesday in New York.
Kate Middleton wore a navy Beulah coat with a Lock and Co. hat, while Markle donned a white Amanda Wakeley coat and matching hat.
The queen made an appearance at London Fashion Week to attend Richard Quinn’s show and present him with the inaugural Queen Elizabeth II Award for British Design.
The Queen presented Quinn with an inaugural design award.
“A lot of very famous actors like Donald don’t really want to engage, but he’s open and emotional both on and off-camera,” explained Mirren of her costar.