Director Mark Waters thought Lohan's energy was "much more like Regina," but switched who he cast for the roles ...

The pop superstar revealed her 12th album, 'The Life of a Showgirl,' will drop Oct. 3, which has also been dubbed 'Mean Girls' Day.

Reneé Rapp conquered Broadway in Mean Girls and the small screen on The Sex Lives of College Girls. Now she's gunning for the ...