The caption is directed to online "trolls" who she says write "unkind things." She writes, "This is how I look. I feel happy" before adding that she thinks she looks "strong and healthy."
Slamming body critics is nothing new for Schumer. She told Glamour magazine it was "not cool" in another Instagram post last month for mentioning her in an issue focused on plus size fashion.
She wrote that there's nothing wrong with being plus-size, but disputed having a plus-size body, suggesting that labeling her body type that way could have a negative influence on young girls.
Amid the growing clamour over the diversity debate in this year's Oscar nominations, veteran actress Hellen Mirren has come to the defence of the Academy of Motion Pictures Arts and Sciences.
Actor-producer John Abraham, who is known for producing content-driven films, says he would go broke but will not produce an adult comedy through his production house, John Abraham Entertainment.