Karen Smith doesn't come off as the sharpest tool in the "Mean Girls" shed, but that doesn't make her any less hilarious. Amanda Seyfried's now-iconic ditzy blonde won us over with her unique talents (she can stick her whole fist in her mouth!), her sweet naiveté, and her psychic abilities. It's like she has ESPN or something. There's a reason we're quoting her endlessly to this very day. Here are 12 times Karen Smith was the best part of "Mean Girls."