Adam Levine is waging war on his buddy Blake Shelton. Now that the country star judge has won two consecutive seasons of 'The Voice,' Levine is done playing nice.

During a post-finale interview with E! News, Shelton managed to get one sentence out before Levine interrupted the coach and took over the mic, saying: "Blah, blah, blah, blah, blah, I won twice, blah, blah!"

Shelton then jokingly admitted "he's already dreading season four," which caused Levine to dish out some fightin' words. "Your ass is f--king grass ... It's f--king on," the Maroon 5 frontman fronted. "It's a bloodbath next season. I'm taking your tall country ass down!"

The two couldn't sustain the fake fight for long, though. They ended up cracking up on camera, with Blake adding that he didn't hear anything Levine said because he was too distracted by his bow tie. It's always a barrel of laughs when it comes to these frenemies!

While Levine may be preparing for a smackdown next season, he'll have some fresh competition to deal with. Usher and Shakira will be replacing Cee Lo Green and Christina Aguilera next year, and could prove to be powerhouses on the show. Season 4 of 'The Voice' premieres on Monday, March 25.

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