The art of Super Mario Odyssey reveals that Rosalina was going to appear in the game as a non-playable-character in casual attire with a guitar. The book also reveals several unused outfits for Mario, such as the green Sprixie Princess from Super Mario 3D world, a Toadette costume, a costume of a Luma from Super Mario Galaxy, and a costume of Mario in a Japanese school girl outfit.
Contributed by CLXcool
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