Brave (2012)

About Brave

Merida, a red headed princess who lives in a castle located in Scotland. Her Mother, Elinor is an elegant queen who is trying to teach Merida to be a true princess but she doesn't want to. Merida gets so fed up that she runs into a witch hut and she creates a spell pastrie to give to Elinor. After she eats it, she becomes a hideous beast and Merida must save her mother from staying like this beast forever. All Merida wanted was to be free and have her Mother stop being so controlling. Can she save her Mother or will Elinor stay as this beast permanently?

Source: http://www.imdb.com/title/tt1217209/plotsummary