The nominees have been announced - and Bruno Mars is at the top with eight nods at the American Music Awards, while The Chainsmokers, Drake, Kendrick Lamar, Ed Sheeran and The Weeknd earned five apiece.
Other nominees for Artist of the Year included Drake - who was also in the running in both the pop/rock and rap fields - and rapper Kendrick Lamar, as well as electronic duo The Chainsmokers.
Drake dominated the American Music Awards nominations past year, as he earned a record breaking 13 nods, eventually winning three prizes.
Justin Bieber, Daddy Yankee and Luis Fonsi received four nominations each, including favourite pop/rock song for their hit collaboration, "Despacito".
Rihanna, Alessia Cara and Lady Gaga will compete in the equivalent female category.
Shape of You is also nominated for Video of the Year, alongside Despacito and Bruno's That's What I Like. Nominees for the new artist of the year are James Arthur, Niall Horan, Julia Michaels, Post Malone and Rae Sremmurd.
Bruno Mars leads the nominations for the 45th annual American Music Awards, which take place at the Microsoft Theater in Los Angeles on Sunday, Nov. 19 at 8 p.m. on ABC.