“like, really pretty” at the premiere of the new “Mean Girls” movie musical. Lohan, who famously portrayed Cady Heron in the 2004 cult classic comedy, stunned in a black-cut out dress with silver crystals on Monday at the AMC Lincoln Square Theater in New York City. She posed with the original movie’s writer Tina Fey, as well as “Saturday Night Live” founder Lorne Michaels, who produced the first flick.