Pound and Pumpkin: https://derpibooru.org/images/2250802?q=pumpkin+cake2C+pound+cake
Pregnant Cadance: https://derpibooru.org/images/1624338?q=princess+cadance2C+vector2C+pregnant
Panties: https://derpibooru.org/images/504302?q=trixie2C+panties2C+transformation
Mrs. Cake: https://derpibooru.org/images/585724?q=cup+cake2C+diaper