2309193 - questionable, artist:fallenandscattered, derpibooru import, part of a set, twilight sparkle, twilight sparkle (alicorn), alicorn, pony, the last problem, belly, big belly, blimp, body inflation, expansion, female, floating, hose, huge belly,
Twilight Sparkle Inflation by TheInflationator -- Fur Affinity [dot] net
Twiflation by EdgeOfMind -- Fur Affinity [dot] net
Pony Life Twilight Sparkle Inflation by InflationVideo on DeviantArt