The supermodel has repeatedly said that she "will never alter or augment" her face.
The beloved fashion photographer, who helped launch the careers of some of the most recognizable supermodels, died on Tuesday at age 74.
Former VS Angel Doutzen Kroes, supermodel Christy Turlington Burns, and actress and model Milla Jovovich all signed the open letter.
The Duchess of Sussex helped guest-edit the September issue and even interviewed Michelle Obama for it.
The industry has changed.
Before marrying in 2004, the couple crossed paths when Burns fetched Turlington a cup of coffee.
