Rachel McAdams
In the memorable role she played in Mean Girls Rachel McAdams had a blonde wig on.
The Canadian actress studied at a theatre program in York University in 2001, and played in Canadian shows and movies, like Perfect Pie, My Name Is Tanino, and the show Slings & Arrows. She rose to stardom in 2004 with the comedy Mean Girls and the romantic drama The Notebook. In 2015, she starred in the 2nd season of the hit HBO crime drama True Detective, and also in the critically acclaimed film Spotlight.