Canadian singers Justin Bieber and Drake emerged as big winners at the American Music Awards held at the Microsoft Theater here. 
Bieber won four total awards on the night, pacing all nominated artists. Drake, who led the pack of nominees with 13 nods, breaking Michael Jackson's record for the most AMA nominations in a single year, nabbed three solo awards in rap/ hip-hop category, reported Billboard. 
Ariana Grande was named artist of the year. 
The night saw performances by Bieber, Niall Horan, Maroon 5 and Kendrick Lamar, James Bay, Fifth Harmony, Lady Gaga, Green Day, John Legend, Bruno Mars, Shawn Mendes and The Weeknd. 
The Chainsmokers and Halsey, and Ariana Grande and Nicki Minaj performed special duets. The American Music Award of Merit honoree and performer Sting also took to the stage. 
Bieber's four awards included favourite male artist pop/rock, favourite album pop/rock for Purpose, favourite song pop/ rock for Love Yourself and video of the year for Sorry
Zayn Malik received the new artist of the year award un-leashed by T-Mobile. 
Blake Shelton and Carrie Underwood received the favourite artist-country male and female respectively. 
Beyonce won the tour of the year honour beating Madonna and Bruce Springsteen & the E Street Ban. 
Selena Gomez won the favorite female artist pop/rock award. 
While the collaboration of the year went to Fifth Harmony featuring Ty Dolla $ign – Work From Home. The trophy for favourite artist- soul/R&B for male and female was taken home by Chris Brown and Rihanna respectively. 
Adele won the favorite artist award in adult contemporary category. Top soundtrack was given to Prince's Purple Rain
The Chainsmokers also took home the trophy in EDM category.