Taylor Swift and Macklemore and Ryan Lewis will also play the ceremony in Los Angeles    

The National, David Bowie, Disclosure, Macklemore & Ryan Lewis and Robin Thicke are also up for gongs    

The pair's track 'Can't Hold Us' was the most popular song on the service    

Pop diva Taylor Swift was named Artist of the Year at the American Music Awards (AMA) Sunday, while other big winners included British boy band One Direction and crooner Justin Timberlake. Other highlights included typically idiosyncratic performances by Lady Gaga and Miley Cyrus, who wrapped up the three-hour show by singing her hit "W...

By Piya Sinha-Roy LOS ANGELES (Reuters) - Justin Timberlake, Taylor Swift and Macklemore & Ryan Lewis led the early winners at the American Music Awards on Sunday, as some of pop music's biggest names came together for the fan-voted awards ceremony. Timberlake, 32, picked up the prize for favorite male artist, beating out R&...