Check out a model who rarely had baby bump shows she is using a waist trainer postpartum

Poplar underwear model, Sarah Stage, gained Internet fame when she released a picture of her tiny baby bump when she was 8 and 9 months pregnant and revealed the secret behind her taut and toned postpartum tummy – the same kind of waist-training corset made famous by the likes of Kim and Khloe Kardashian. Sarah is pictured above just two weeks after giving birth...