Watch out Lady Gaga -- Madonna can make creepy teasers too!

In the just-released video for Madonna's #SecretProjectRevolution collaboration with photographer Steven Klein, we see the 55-year-old wearing all black and behind bars as she softly sings "My Country, "Tis of Thee."

While the video starts off in a more mild yet sinister tone, things get very volatile by the end -- check out the singer's new promo above!

Not much is known about the pop star's #SecretProjectRevoltuion, but judging from this clip, it looks pretty dark.

The video directs viewers to which displays the following message on the site:

Madonna & Steven Klein invite you to start your own revolution of love. We have created this platform to give people around the world an opportunity to answer the question: "What does freedom mean to you?

We're not sure what exactly this is teasing -- guess we'll have to wait until September 24.

What do you think of Madonna's new video? Tell toofab in the comment section below, and see even more pop stars then and now!

Hot Videos