This document discusses fonts used by Billie Eilish and for her website. It describes a playful bubble serif font she uses a lot and a thin green serif font that works well for top links. A slightly serif green font is used for her bio that has a mix of formal and playful styles fitting her brand. A very playful sans-serif font with characters close together and wonky letters also fits well with her brand. The final font mentioned is a formal italic serif style suggested for important pages.