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 ...

Amanda Seyfried's breakout role was in the 2004 movie "Mean Girls ... appearance in "Mean Girls." In the 2004 movie from Tina Fey and Mark Waters, Seyfried played Karen Smith, a girl who said ...

Amanda Seyfried had nothing but good things to say about her Mean Girls co ... with Lohan playing new girl Cady Heron and Seyfried as the hilariously clueless Karen Smith, one of the 'Plastics.' ...

All of the above entered the cultural bloodstream in 2004, when the film comedy “Mean Girls” — scripted by Tina Fey — was released, and have pretty much remained there. In 2018, a brand-extending ...