Billie Eilish doesn ... to know everything about me,” Eilish, one of four new spokespeople for Calvin Klein, said in a new ad. “I mean, that’s why I wear big, baggy clothes.

Aesthetics-wise, it doesn't get more different than Ariana Grande and Billie Eilish ... Though she too was wearing a suit, Eilish's rumpled outfit was the antithesis of Grande's crisp co-ords.