A 2015 American biographical comedy-drama film directed by David O. Russell. It tells the story of Joy Mangano, a self-made millionaire who created her own business empire with the invention of the Miracle Mop.
but I did see the joy about the lady who invented the miracle mop with which was Jennifer Lawrence.
""Steven Pressfield mentions David O. Russell as a filmmaker and 'Joy' as one of his films, specifically noting that it's about 'the lady who invented the miracle mop'. This highlights the theme of overcoming obstacles and the role of innovation."