#3019739 - suggestive, artist:tofer18, princess celestia, princess luna, alicorn, anthro, g4, ^^, air inflation, atmosphere, belly, big belly, big breasts, bingo wings, blimpestia, breast envy, breast expansion, breasts, busty princess celestia, busty princess luna, canterlot castle, clothes, comic, commission, crying, derp, derp face, dress, duo, duo female, evil smile, exclamation point, eyes closed, featureless breasts, female, floating, glowing, glowing horn, grin, growth, horn, huge belly, huge breasts, humiliation, hyper, hyper belly, hyper breasts, imagine spot, implied tail hole, impossibly large, impossibly large belly, impossibly large breasts, inflated wings, inflation, interrobang, irony, jiggle, magic, magic inflation, mirror, nudity, ocular gushers, onomatopoeia, open mouth, pinpoint eyes, prank, puffy cheeks, question mark, revenge, ripping clothes, royal sisters, sibling rivalry, siblings, signature, sisters, smiling, smirk, space, tail, thighs, thought bubble, thunder thighs, volumetric mouth, wardrobe malfunction, wide eyes, wings