Rosie O'Donnell is never one to hold back. In an Aug. 19 Instagram post, she called out fellow TV icon Jay Leno for a mean-spirited 2009 segment from "The Tonight Show with Jay Leno," which was revisited in the new Netflix docuseries " Fit for TV: The Reality of the Biggest Loser ."

"Jay leno is a mean a--hole," O'Donnell wrote on Instagram, alongside sharing a photo of her TV screen that showed a scene from Fit for TV: The Reality of the Biggest Loser doc fe

The Reality of the Biggest Loser, Rosie O’Donnell took to social media to share some thoughts, including calling out Jay