See how the singer has transformed from the release of her first hit song "Ocean Eyes" in 2015 to now.

<a href="https://www.lofficielusa.com/beauty/billie-eilish-blonde-hair-shag-haircut" target="_blank" rel="noopener">Billie Eilish</a> has always been a force to be reckoned with. From the drop of her song &ldquo;Ocean Eyes&rdquo; to &ldquo;NDA&rdquo; a few weeks ago, she&rsquo;s conquered the electronic alternative scene, and at such a young age. She started working on music with her brother, Finneas O'Connell, at age 13, and it wasn&rsquo;t long before &ldquo;Ocean Eyes&rdquo; went viral on SoundCloud in 2015. Now 21, Eilish has continually reinvented herself through each album release, both through her sound and her style. Every song from Don&rsquo;t Smile at Me, When We Fall Asleep, Where Do We Go?, and <a href="https://www.lofficielusa.com/music/billie-eilish-single-music-video-lost-cause" target="_blank" rel="noopener">Happier Than Ever</a> has sounded different, but they all still feature the hallmarks of Eilish&rsquo;s sound: the ASMR qualities of her voice, electronic-alternative production, perfectly aligned background vocals, the vocoder, a production tool used to synthesize a recorded voice allowing her to achieve a low-pitched, shaky vocal on some of her songs.
With her style, Eilish has been known to be more conservative until recently. For the first few years of her career, she crafted her image to avoid comments on her <a href="https://www.lofficielusa.com/wellness/body-neutrality-billie-eilish-tank-top" target="_blank" rel="noopener">body</a> through her signature baggy pants, boots, oversized shirts, puffer jackets, beanies, and various <a href="https://www.lofficielusa.com/fashion/billie-eilish-instagram-viral-blonde-shag-haircut" target="_blank" rel="noopener">hair</a> color changes. But now, Eilish has stepped out and reclaimed her look by wearing exactly what she wants, first seen on the June 2021 British Vogue cover when she sported lingerie and heels for the shoot. <a href="https://www.lofficielusa.com/music/billie-eilish-documentary-trailer-the-worlds-a-little-blurry-apple-tv" target="_blank" rel="noopener">Eilish</a> still rocks her long acrylic nails and baggy clothes from time to time, but it&rsquo;s clear that she&rsquo;s completely transformed and come into her own.
Here, L&rsquo;OFFICIEL looks at her music and style evolution throughout each stage of her career from 2015 to now.&nbsp;

<a href="https://www.lofficielusa.com/music/billie-eilish-book-new-music" target="_blank" rel="noopener">Eilish</a> came roaring out of the gates in 2017 with her debut EP, Don&rsquo;t Smile at Me. After going viral on SoundCloud, &ldquo;Ocean Eyes&rdquo; was officially part of this EP on streaming services, in addition to eight other songs produced and written with her brother. Establishing herself as an upcoming star, these songs featured electronic production and unique lyrics, such as &ldquo;I wanna be alone / Alone with you, does that make sense? / I wanna steal your soul / And hide you in my treasure chest&rdquo; on her song &ldquo;Hostage.&rdquo;
Other notable tracks from Don&rsquo;t Smile at Me are &ldquo;Idontwannabeyouanymore,&rdquo; a bluesy piano-based track filled with suspenseful seventh chords, a tripled time signature for a waltz feel, and lyrics filled with a deep meaning, and &ldquo;My Boy,&rdquo; another jazzy track with some improvised vocal riffs, electric piano, and synthesizers. Then, there&rsquo;s &ldquo;Watch&rdquo; and &ldquo;&amp;Burn,&rdquo; which contain the exact same lyrics but couldn&rsquo;t sound more different. &ldquo;Watch&rdquo; is the more delicate version, with piano and a lighter beat, whereas &ldquo;&amp;Burn&rdquo; is darker, featuring a heavier beat, more of a speaking-singing lead vocal from Eilish, and a rapped bridge from Vince Staples.

When We All Fall Asleep, Where Do We Go?

A darker turn was taken in 2019 with the release of <a href="https://www.lofficielusa.com/music/billie-eilish-announces-tour" target="_blank" rel="noopener">Eilish&rsquo;s</a> debut album, <a href="https://www.lofficielusa.com/music/billie-eilish-has-finally-released-her-debut-album" target="_blank" rel="noopener">When We All Fall Asleep, Where Do We Go?</a>. &ldquo;Bad Guy,&rdquo; perhaps <a href="https://www.lofficielusa.com/music/billie-eilish-drops-new-song-with-khalid" target="_blank" rel="noopener">Eilish&rsquo;s</a> most well-known song to date, was the fifth single from the album and her very first number-one hit on the Billboard Hot 100. Containing more sexual lyrics than the first album in addition to a louder bass and EDM-inspired instrumental breaks, this song turned her image from a tween singer to a moody teenage baddie, seen in &ldquo;My Strange Addiction&rdquo; and &ldquo;Bury a Friend&rdquo; as well. &ldquo;You Should See Me in a Crown&rdquo; and &ldquo;All the Good Girls Go to Hell&rdquo; amplify her voice of feminine power, and &ldquo;Xanny,&rdquo; &ldquo;When the Party&rsquo;s Over,&rdquo; and &ldquo;I Love You&rdquo; reveal the struggles of being a teenager, including experiences of drugs, parties, and heartbreak, all produced under a deep bass, dance beats, and <a href="https://www.lofficielusa.com/fashion/billie-eilish-looks-hauntingly-alluring-in-mcm-s-new-fall-campaign" target="_blank" rel="noopener">Eilish&rsquo;s</a> whispery vibrato. She even directed her first music video for &ldquo;Xanny." One thing&rsquo;s for sure, this album has it all.

Her 16-track album, Happier Than Ever, has been a hit, with great lyrics like the ones from&nbsp;&ldquo;Lost Cause,&rdquo; where Eilish sings: &ldquo;Thought you had your shit together, but damn, I was wrong / You ain't nothin' but a lost cause / And this ain&rsquo;t nothin&rsquo; like it once was.&rdquo; Right off the bat, it&rsquo;s easy to tell that Eilish is living up to the title, with &ldquo;My Future&rdquo; and &ldquo;Lost Cause,&rdquo; two songs about becoming independent and focusing on herself without a relationship. &ldquo;NDA&rdquo; and &ldquo;Therefore I Am" feature heavier electronic production and lyrics about reclaiming power over men and the media, while &ldquo;Your Power" details overcoming an abusive relationship. She&rsquo;s also self-directed several music videos for this album too, including &ldquo;Your Power,&rdquo; &ldquo;Lost Cause,&rdquo; and &ldquo;NDA.&rdquo; Alongside her music showcasing her everchanging confidence and independence, it&rsquo;s evident through her style as well. Let&rsquo;s get into it.

In 2022, Eilish surprise-released the EP Guitar Songs, which contained two new songs for her fans,&nbsp;"TV" and "The 30th". In the first track, "TV," Eilish addressed current issues going on in the US, singing, &ldquo;And I&rsquo;ll be in denial for at least a little while/What about the plans we made?/The internet&rsquo;s gone wild watching movie stars on trial/While they&rsquo;re overturning Roe v Wade&rdquo;. The second track is about a tragic car accident someone close to Eilish was in. Her lyrics read, &nbsp;&ldquo;What if it happened to you on a different day?/On a bridge where there wasn&rsquo;t a rail in the way?/Or a neighborhood street where the little kids play?/You&rsquo;re alive, you&rsquo;re alive, you&rsquo;re alive." Alongside these two tracks, Eilish was on tour this year for her Happier Than Ever album from February to September. As her music continues to touch hearts, we can't wait to see what she has in store for us next.

In July 2023, Eilish appeared on the star-studded Barbie soundtrack with a melodic tune titled "What Was I Made For?" In the music video, appears with Barbie's signature blonde hair and '50s yellow dress creating a more retro Barbie ensemble. Though Eilish has been sporting black hair for some time&mdash;and recently added red roots&mdash;this look and the song are both reminscent of the softer side fans saw from the singer during the promotion of her album Happier Than Ever.

Eilish in 2017.

Eilish in 2018.

Eilish at the iHeartRadio Music Awards in March 2019.

Eilish at the opening of "The Billie Eilish Experience" in LA in March 2019.

Eilish in 2019.

Eilish at the Grammys in 2020, where she won song of the year, best pop vocal album, record of the year, album of the year, and best new artist.

Eilish at the 2020 Oscars.

Eilish at the 2020 Billboard Music Awards, where she won three awards for Top New Artist, Top Female Artist, and Top Billboard 200 Album.

Eilish in 2021.

Eilish in 2021 wearing 'Happier Than Ever' merchandise.

Eilish in 2022.

Eilish at the Met Gala in 2022.

While many of the film's stars sported Barbie-themed fashion and beauty looks (a.k.a. a lot of pink) while promoting the film, true to her style, Eilish joined the fun in her own way. At the Los Angeles premiere, the singer arrived in an oversized salmon button down and fuschia tie with baggy black pants and baby pink leg warmers.

Billie Eilish's Music and Style Evolution

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