There is no one cooler than Billie Eilish. From the moment she became a superstar at age 14 for her hit single “Ocean Eyes,” Eilish has been a groundbreaking innovator in pop culture.

Grammy Awards weren't just a celebration of music, they were a showcase of daring beauty trends -- and one style, jellyfish hair, stole the show. Miley Cyrus, Billie Eilish and Lady Gaga each put ...