He was joined by Ludacris and Charlie Puth to pay tribute to Paul Walker.
This image appears in the gallery:
All The Photos You Need To See From Inside The 2015 Billboard Music Awards
![Wiz Khalifa Billboard Music Awards 2015 Performanc](https://assets.capitalxtra.com/2015/20/wiz-khalifa-billboard-music-awards-2015-performance---1431933373-view-1.jpg)
24. He was joined by Ludacris and Charlie Puth to pay tribute to Paul Walker.
Picture: Getty