Princess Kate is once again wearing the Alexander McQueen dress from 10 years ago to the Earth Photography Awards, while Prince William, who wore a pair of pants from 20 years ago, is also doing his part for the environment.
He wore a green velvet sports jacket for the first time at an event for the homeless charity Centrepoint in 2019, which was also paired with these pants at the time.
Inside was a black turtleneck pullover that made people compare his image to Bondley's villain.
At the recent premiere of "No Time to Die," Daniel Craig wore a fuchsia velvet jacket.
All the guests were told not to buy new costumes to attend the event, in keeping with the award's goal of addressing some of the world's most pressing climate issues.
Actress Emma Thompson said she didn't have to buy any new clothes anymore, which gave her "a sigh of relief."
She opted for an emerald green Stella McCartney set, which she first wore at Buckingham Palace in 2018 when she received Prince William's Knighthood for Theatrical Service.
She also wears a $30 ring her husband bought in New York years ago.
Harry Potter star Emma Watson wears a dress made from 10 different wedding dresses from Oxfam, the ultimate example of upcycled clothing.
Live performances are performed by 60 cyclists, while only vegan meals are on the menu.