Gilbert Flores/Billboard via Getty Images Kelly Osbourne , 41, reacted to a loathsome social media comment that mocked her weight loss while cruelly invoking her late father. The TV personality shared several photos on Feb. 23 from the Royal Ascot Millinery Collective SS26 headwear showcase during London Fashion Week on her Instagram . The comment section quickly filled with critical comments about her recent weight loss , which she previously attributed to losing her appetite after the death of her father, Kelly’s father, rock legend and Black Sabbath leader Ozzy Osbourne . Read more at The Daily Beast.