[TF/TG, twinning, clothing TF]

Starfire's birthday was like every other, until a letter he sent on a long-shot chance to Canterlot castle curries an unusual response from Princess Luna, who decides to make it a birthday to remember! By showing her curious subject exactly what it's like to be a Princess, although she may have taken things a little too literally. Starfire suddenly finds himself transforming into an identical copy of her thanks to her magic, will he be able to regain control before he loses his body?