Billie Eilish may be young but she is definitely already a huge artist in her own right! However, famous or not, even she is a massive fan of Britney Spears! During the latest episode of ‘me and dad radio’ Billie was shuffling through her music playlist when she landed on Britney Spears’ Baby One More Time! Immediately, Billie Eilish started gushing over the track, telling her audience that ‘This is, like, an incredible song.