Which actress plays the title character (Joy Mangano, a self-made millionaire) in the 2015 film "Joy"?

Player #68959464, DUDE, it's not the actress, just a lady in Florida with the same name...

herb198220, Joy invented the wring-out mop. She has lots of people including family trying to sue her for money. No more spoilers....

Lawrence is despicable. she had a hand in Jan. 6th to over throw our US GOVERNMENT. don't want to watch a Lawrence films. she's a treason