2021 · Dinah Johnston — December 6, 2021 19:49 Billie Eilish has gone back to brunette, which has many believing that she is signaling a new era is coming. Eilish has also decided to open up about her decision to wear lingerie for a photoshoot that has caused so much uproar that some of her fans abandoned her. Billie Eilish debuts new drastic makeover.