Meghan Trainor, Iggy Azalea and More Nab Nominations at Nickelodeon's Kids' Choice Awards

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Meghan Trainor attends the 48th annual CMA Awards at the Bridgestone Arena on November 5, 2014 in Nashville, Tennessee. 

This year's Grammy Awards may not have wholly embraced the pop tastes of tweens, but their voices ring loud and clear in the music category nominations for the fan-voted Nickelodeon Kids' Choice Awards, airing live on Nick on March 28.

Billboard got a head's up on the nominees for Favorite Song of the Year, and it's an all-girls club, including: "All About That Bass" by Meghan Trainor, "Bang Bang" by Jessie J, Ariana Grande, & Nicki Minaj; "Dark Horse" by Katy Perry; "Fancy" by Iggy Azalea featuring Charli XCX; "Problem" by Ariana Grande featuring Iggy Azalea; and "Shake It Off" by Taylor Swift.

Boy band Five Seconds of Summer and the group Echosmith are up for Favorite New Artist, a category rounded out by Fifth Harmony, Iggy Azalea, Jessie J and Trainor.

At least two of the artists are risking the slime factor and will be on hand at the Kids' Choice Awards. "I watched the Kids' Choice Awards every year growing up. I am so excited to be nominated for the first time and I can't wait to see you all there," Trainor says. And although Azalea announced today she's taking a break from social media, she's all in for socializing with her fans in person. "I couldn't be more excited about my Kids' Choice Award nominations and can't wait to be there and celebrate with everyone!" the rapper says.
 
KCA host Nick Jonas will accompany Azalea on her Great Escape tour this April.