Taylor & Zac Punk Dance Selena, Justin & Betty White!!

If you haven't seen this video yet Sweetys, you do not want to miss it!

Taylor Swift and Zac Efron take on Ellen DeGeneres's "Punk Dance" challenge.

The goal of Punk Dancing is to dance behind someone without them knowing.

Not only did Taylor and Zac take this challenge on, but they did it to some of our favorite celebs! Taylor and Zac successfully got Betty White, Selena Gomez, Justin Bieber and Akon!

Watch the video to see Taylor and Zac attempt to pull this off!