Amanda Seyfried has posted snaps with the actress who plays her character Karen Smith in the 2024 musical adaptation of the 2004 chick-flick classic Mean Girls. Mean Girls became a huge success after its release 20 years ago with many memorable lines (“That’s so fetch!” being one of them). It starred the 90s and early 2000s it-girl Lindsay Lohan, Rachel McAdams, Lacey Chabert, and Amanda Seyfried. The movie centers around a homeschooled girl named Cady Heron (Lohan) who moves to America from South Africa. She infiltrates a clique known as The Plastics and quickly learns how messy high school c…