Sienna Millers Chic Jumpsuit Teases Her Newly Announced Role with King Charles [Video]

Sienna Miller is making a stylish nod to her new partnership with King Charles.

On Dec. 12, the actress, 42, was announced as the latest ambassador for The King’s Foundation, joining forces with King Charles in support of its mission. Founded in 1990 by the then-Prince of Wales, The King’s Foundation is dedicated to fostering communities and transforming lives through hands-on educational programs focused on traditional skills and sustainability.

Miller, who was born in N.Y.C. and raised in London, brings both star power and a personal passion for the foundation’s ethos, marking a new chapter for the charity as it looks ahead to its 35th anniversary in 2025. According to the foundation, she takes a particular interest in textiles and textile production, across which The King’s Foundation offers a range of education courses.

The announcement came during The King’s Foundation’s annual Christmas carol service at St. Paul’s Church in Knightsbridge, London, on Thursday evening, …