Why Is Britney Teasing Us This Way?

Yesterday Britney Spears tweeted this piece of cruelty:

And on the 20th, she did this to us:

This is just unfair. Are we going to get a preview of the new song or album? A video? A new extreme haircut? We need to know. Let's just hope that she reveals it earlier rather than later, because this is just unbearable.
In the meantime, calm yourself with this throwback (Literally. Look how she throws that hair back.)