(Maybe a kingdom au about the old time like prince princess knights and dragons)

Melody:purple tiara with diamond gems on it side ponytail braid hairstyle light purple Basque dress with gold on the side of dress short heels shoes light purple gloves

Helen:gold tiara with sapphire gems on it double braids with bun long light sleeve medium length dress with pink flowers on the bottom of dress light pink flat shoes

Nancy:sliver tiara with amethyst gems on the tiara half loop knots light yellow short sleeve cupped long length dress short heel shoes

Hope: sliver tiara with moonstone gem on it reverse French braided buns icy blue princess dress with glass shoes