She has the iconic blonde hair, shes artistic and awkward, wishes to step outside her comfort zone, plays guitar and a little too naive and innocent at times.
Lady Gaga is Esmeralda
Besides the obvious "Gypsy" Neither have a set home, both fight for injustice, both are publically ridiculed, both are accomplished dancers, both befriend the outcasts.
And Lorde is Merida because shes a feminist, both have huge curly hair, and a royal
Shes also tomboyish and I feel she'd be all up in the other girl's grills with her feminism