Michelle Monaghan, who had to dye her naturally brown hair for her role as TV star Jaclyn in season three of The White Lotus. "I'm a dark brunette. And I knew that Mike really wanted me to be blonde," Monaghan told People in an exclusive interview.

The “White Lotus” actress, 48, was just announced as the first-ever brand ambassador for U Beauty, a company Monaghan has been loyal to over the years. Though many partnership opportunities have come her way, the “Made of Honor” alum turned them down, making this her inaugural beauty campaign, she told People.