Kate Moss has had a busy summer: She was named creative director of Diet Coke, the calorie-free Coca-Cola alternative that reigned for decades before the wellness boom — and its obsession with all-natural ingredients — took a bite out of sales. Then last week, she debuted Cosmoss, a beauty brand steeped in wellness principles.
The irony.
Inspired by a new lifestyle — heavy on meditating, yoga and “being healthier,” Moss said in a…