Lady Gaga and Katy Perry go head-to-head at the MTV Europe Music Awards in November, with five nominations apiece.
The U.S. pop princesses are both shortlisted in four categories -- best pop act, best song, best female act and best video. Completing the nominations for Lady Gaga is best live act and for Katy Perry "best world stage performance."
Elsewhere in the nominations list, Eminem has four nominations including best song, best male act, best hip hop and best video for his Rihanna collaboration "Love the Way You Lie."
British stadium rockers Muse, along with Thirty Seconds to Mars, Linkin Park and Kings of Leon, find themselves up against Ozzy Osbourne in the best rock category.
Pop phenomenon Justin Bieber, Ke$ha, B.o.B, Plan B and Jason Derulo are nominated for best new act.
Perry and Linkin Park are confirmed to perform at the annual event, one of pop music's biggest nights outside the United States.
Following is a list of the main nominations for the MTV Europe Music Awards, to be held in Madrid on November 7.
Best Rock: Kings of Leon; Linkin Park; Thirty Seconds to Mars; Muse; Ozzy Osbourne
Best Pop: Lady Gaga; Usher; Katy Perry; Miley Cyrus; Rihanna
Best Live Act: Bon Jovi; Lady Gaga; Muse; Kings of Leon; Linkin Park
Best Male: Eminem; Justin Bieber; Usher; Enrique Iglesias; Kanye West
Best Female: Lady Gaga; Katy Perry; Miley Cyrus; Shakira; Rihanna
Best New Act: Ke$ha; B.o.B.; Jason Derulo; Plan B; Justin Bieber
Best Alternative: Gorillaz; Gossip; Paramore; Vampire Weekend; Arcade Fire
Best Hip Hop: T.I.; Eminem; Kanye West; Lil Wayne; Snoop Dogg
Best Song: Usher - "OMG"; Katy Perry feat. Snoop Dogg - "California Gurls"; Eminem feat. Rihanna "Love the Way You Lie"; Rihanna - "Rude Boy"; Lady Gaga - "Bad Romance"
Best Video: Thirty Seconds to Mars - "Kings and Queens"; Katy Perry - "California Gurls"; Lady Gaga feat. Beyonce "Telephone"; Plan B - "Prayin'"; Eminem feat. Rihanna "Love the Way You Lie."