Billie Eilish is opening up about all things Barbie.

The 21-year-old “What Was I Made For?” singer-songwriter got candid in a new interview with Zane Lowe for Apple Music, out now.

During the conversation, Billie spoke about the meaning behind her soundtrack song, seeing an early cut of the film, Barbie’s meaning in her own life, and why writing the song was “the trippiest” experience of her life.

Find out what Billie Eilish had to say…