Wiz Khalifa and Charlie Puth: How They Wrote 'See You Again,' Honoring Paul Walker (Photo Shoot)
Wiz Khalifa and Charlie Puth talk to Billboard about teaming up for their No. 1 song and reminisce (and harmonize!) about another classic tribute song. SUBSCRIBE NOW http://bit.ly/BillboardSub for more exclusive performances, interviews and in-depth coverage of the world's biggest music events.
