The 2012 World Music Award nominations are in, and once again Jason Aldean, Carrie Underwood and Taylor Swift top the list of country stars up for awards.

Aldean leads the pack of country stars with six nominations, including Best Male Artist and World's Best Entertainer of the Year. Swift also has six, and Underwood is running a close second with five nods. Both of the powerhouse female country stars are up for Best Female Artist, Best Video, Best Song and Best Album. Swift is up for World's Best Entertainer of the Year as well. Blake Shelton, Kid Rock, Lady Antebellum, Brad Paisley, Miranda Lambert, Keith Urban have also scored at least one nomination.

The nominees are chosen by the International Federation of the Phonographic Industry in order to honor the top-selling artists all over the globe.

The World Music Awards will take place at the Marlins Stadium in Miami on Dec. 22. The show will broadcast in more than 160 countries, bringing the estimated total of viewers up to one billion.

Although the event will air this week, it's not too late to vote for your favorite celebs to win a few awards. Click here to vote. You can click here to see a full list of nominees from all genres.

2012 World Music Awards Nominees:

World’s Best Song
Carrie Underwood, 'Blown Away'
Justin Bieber, 'Boyfriend'
Jason Aldean, 'Take A Little Ride'
Kelly Clarkson, 'Stronger'
Taylor Swift, 'We Are Never Ever Getting Back Together'
Adele, 'Rumour Has It'

World’s Best Album
Carrie Underwood 'Blown Away'
Lady Antebellum 'On This Winter’s Night'
Jason Aldean 'Night Train'
Taylor Swift 'Red'
Christina Aguilera 'Lotus'
Alicia Keys 'Girl on Fire'
Adele '21'

World’s Best Video
Carly Rae Jepsen 'Call Me Maybe'
Carrie Underwood 'Good Girl'
Jason Aldean 'Take a Little Ride'
Taylor Swift 'We Are Never Ever Getting Back Together'
Beyonce 'Run the World (Girls)'

World’s Best Group
Kings of Leon
Lady Antebellum
Zac Brown Band
Mumford & Sons
Maroon 5
No Doubt

World’s Best Female Artist
Carrie Underwood
Britney Spears
Kelly Clarkson
Katy Perry
Lady Gaga
Taylor Swift

World’s Best Male Artist
Blake Shelton
Jason Aldean
Kid Rock
Keith Urban
Phillip Phillips

World’s Best Live Act
Brad Paisley
Jason Aldean
Bruce Springsteen
Jimmy Buffett
Kenny Chesney
Lady Antebellum
Miranda Lambert
Taylor Swift
Tim McGraw
Van Halen

World’s Best Entertainer of the Year
Carrie Underwood
Jason Aldean
Keith Urban
Kelly Clarkson
Taylor Swift
Selena Gomez
Justin Bieber
Carly Rae Jepsen