Seven-time Grammy winner Billie Eilish didn't expect the uproar and awe when she first unveiled her new platinum-blonde 'Hollywood' makeover in March after years of purple, blue, and neon-green hair. The pop star - turning 20 on December 18 - told Vanity Fair of her evolving sense of style: 'I'm so much more open to stuff now. So I would say, anything goes. Period.' 'I did that [British] Vogue cover and it was a genre that we were doing the shoot for. It was an old kind of Hollywood lingerie kind of classic thing,' Billie explained in the interview pretaped on October 18. 2017-2021: Seven-time Grammy winner Billie Eilish didn't expect the uproar and awe when she first unveiled her new platinum-blonde 'Hollywood' makeover in March after years of purple, blue, and neon-green hair 'And it was supposed to be a specific aesthetic for a photoshoot and then it was like "Billie Eilish's new style" and then people kept being like "Wow, her new style it's so much better than the old style." Or like, "Wow, I wish that we could have her old style back, I'm so sad that she's just changed into this."' Eilish (born O'Connell) added: 'It was so weird because I was like, it's not a new style, it's one thing I wore and then I'm gonna wear this another day and then I'm gonna do this. Literally the thing that I've been preaching about since I first started is wear what you want. Dress how you want, act how you want, talk how you want, be how you want. That's all I've ever said. It's just being open to new things and not letting people ruin it for you.' It was the fifth year in a row that the No Time To Die singer had been asked the same series of questions, and she visibly cringed at some of her past answers. 'That girl was going through an identity crisis, oh, my gosh. You can see it in my eyes,' Billie said of herself circa 2020. The pop star - turning 20 on December 18 - told Vanity Fair of her evolving sense of style: 'I'm so much more open to stuff now. So I would say, anything goes. Period'