Katt Williams was a surprise guest at Netflix’s roast of Kevin Hart , and the two comedians ended their years-long public feud — after Williams launched several jokes at Hart’s expense. “I’m surprised they invited me,” Williams said after Regina Hall introduced him to the stage at Los Angeles’ Kia Forum. “That’s how little star power you have. They had to start inviting your enemies. I said, ‘I hate him.’ They said, ‘Come anyway.'” The comedians’ feud had resurged recently in 2024 when Williams accused Hart of being an industry plant and stealing movie roles from him. Years earlier in 2017, Williams had dissed Tiffany Haddish’s comedy career ahead of her and Hart’s 2018 movie “Night School.” Hart had came to Haddish’s defense and aired grievances against Williams. The two traded jabs over the years, but hadn’t officially put aside their differences until Netflix’s roast Sunday. Popular on Variety “Very humble of me to be at your GOAT roast tonight,” Williams said.…