blue_bodyblue_featherscutie_markduoequidequinefeathered_wingsfeathersfemaleferalfriendship_is_magicgrey_backgroundhasbrohornmammalmy_little_ponymythological_creaturemythological_equinemythologynoel_(artist)princessprincess_celestia_(mlp)princess_luna_(mlp)quadrupedroyaltysibling_(lore)simple_backgroundsister_(lore)sisters_(lore)size_differencetailwhite_bodywhite_featherswinged_unicornwings