Yet Kate Moss , whose cool not only fueled an 18-year career at the top of her profession , but also attracted the attention of artists from Lucien Freud to the British sculptor Marc Quinn , can now fairly be said to have added '' edge '' to her resume , largely on the basis of her sporadic relationship with the unregenerate bad boy , Mr. Doherty , and the resulting brouhaha about a druggy night spent in a London studio . ''