Way too much teen swagger for one stage!

For the first stop on her world tour, ACM Award winning artist Taylor Swift decided to kick things up a notch with a surprise duet featuring Justin Bieber!

The two young superstars sang a rendition of Bieber’s smash hit “Baby.” When reached for comment, the 15,000 fans in attendance said it was “totes adorable OMFG ”

Check out the live footage!

Posted on August 25th, 2011