You tell 'em, Catnip!
To those "idiots" who don't get her First Wives Club reference, Jennifer Lawrence refuses to apologize!
Ch-ch-check out the Silver Linings Playbook starlet re-explaining the situation to David Letterman (above)!
Her message to Lindsay Lohan and all tweeting critics is is clear: It was JUST a joke — get over it!
Ahhh, we love you Jen! Don't you ever back down from anyone!