Kate Perry h eads the nominations for MTV's European Music Awards as she competes for seven prizes, just ahead of Ariana Grande in the running for six.
Pharrell Williams, who has enjoyed huge success on the back of his chart-topping hit Happy, competes for five trophies along with Australian pop act 5 Seconds Of Summer.
The winners will be announced at a star-studded show to be staged at Glasgow's SSE Hydro Arena on November 9.
Other highly-decorated artists, as the shortlists were announced today, include One Direction, Nicki Minaj, Iggy Azalea, Eminem, Sam Smith and Kiesza - who find themselves up for four awards.
Perry and Grande find themselves head to head for best female - alongside Nicki Minaj, Taylor Swift and Beyonce - and in the best pop category. Perry's track Dark Horse and Grande's collaboration with Iggy Azalea, Problem, will also compete in the best song category.
The best UK and Ireland category will be fought between Cheryl Fernandez-Versini, One Direction, Calvin Harris, Sam Smith and Ed Sheeran. Sheeran is the sole British act competing for best male.
Votes for many of the categories can be cast at MTVEMA.com
Here are some of the main categories:
:: Best Song
Ariana Grande feat. Iggy Azalea - Problem
Eminem feat. Rihanna - The Monster
Katy Perry feat. Juicy J - Dark Horse
Pharrell Williams - Happy
Sam Smith - Stay With Me
:: Best Pop
5 Seconds Of Summer
Ariana Grande
Katy Perry
Miley Cyrus
One Direction
:: Best Female
Ariana Grande
Beyonce
Katy Perry
Nicki Minaj
Taylor Swift
:: Best Male
Ed Sheeran
Eminem
Justin Bieber
Justin Timberlake
Pharrell Williams
:: Best Live
Beyonce
Bruno Mars
Justin Timberlake
Katy Perry
One Direction
:: Best New
5 Seconds Of Summer
Ariana Grande
Charli XCX
Kiesza
Sam Smith
:: Best Video
Iggy Azalea feat. Rita Ora - Black Widow
Katy Perry feat. Juicy J - Dark Horse
Kiesza - Hideaway
Pharrell Williams -Happy
Sia - Chandelier
:: Best Rock
Arctic Monkeys
The Black Keys
Coldplay
Imagine Dragons
Linkin Park
:: Best Hip-Hop
Drake
Eminem
Iggy Azalea
Kanye West
Nicki Minaj
:: Best Electronic
Afrojack
Avicii
Calvin Harris
David Guetta
Hardwell
:: Best UK & Ireland Act
One Direction
Calvin Harris
Sam Smith
Ed Sheeran
Cheryl
:: Best US Act
Beyonce
Katy Perry
Eminem
Pharrell Williams
Fifth Harmony
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