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.
Priyanka Chopra will return as Alex Parrish with "Quantico" after mid-season break. And the actress has asked her fans to brace up for some "manipulation, deception, attraction, and action" in the new episodes of the international TV series.
There's "clap back," where celebrities go after haters on social media, and then there's "clap back" Kim Kardashian West-style, where one of the biggest names in the game takes on a 19-year-old, actress Chloe Grace Moretz.
Pop star Lady Gaga believes singer Kesha is being "publicly shamed" after a court failed to allow her to leave her recording contract over allegations that she has been sexually assaulted by producer Dr. Luke.
Reality TV star Kim Kardashian West, who has been posting nude selfies on social media and inviting criticism for it, says she feels empowered by her body.