The BOOTY-licious duo definitely brought a lot of sass and confidence to the #AMAs2014 stage!

This image appears in the gallery:
American Music Awards 2014: The 45 MUST-SEE Pictures Feat. One Direction, 5SOS & Taylor Swift #AMAs

1. 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
9. 

10. 45 images

See the full gallery: American Music Awards 2014: The 45 MUST-SEE Pictures Feat. One Direction, 5SOS & Taylor Swift #AMAs