This is the moment she ballroom danced to Ed Sheeran's 'Thinking Out Loud.'

This image appears in the gallery:
Inside The American Music Awards: The Pictures You Shouldn't Have Missed

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

10. 20 images

See the full gallery: Inside The American Music Awards: The Pictures You Shouldn't Have Missed