May be..

 

She suddenly becomes as frosty as an orange slush and you have no idea what  arouse her wrath.

She is angry and she wants you to figure it out.

When she refuses to communicate with you, chances are that whatever you did isn't all that serious. Perhaps, you didn't notice her new earrings.

Give her the space she needs to cool down.

When she feels ready to talk again she will approach you, glare at you with those big beautiful eyes, make huffing sounds that would make her look all the more desirable.

Or you just had enough. Move on. Just a thought.