As Karen from Mean Girls so eloquently showed us in the film, being a mouse for Halloween is as simple as wearing some mouse ears — duh! It truly is one of the easiest costumes to throw together ...

An animal is the simplest Halloween costume you can choose. You can literally wear anything, throw on a pair of animal ears and a little makeup, and you're completely set for Halloween. It's the ...

Amanda Seyfried gave Mean Girls fans a laugh with her latest Halloween costume. "I'm a mouse," the actress, 37, captioned a selfie that showed her wearing gray mouse ears. Seyfried — who shares ...