Blake Shelton, Maroon 5's Adam Levine Christina Aguilera and Cee Lo Green have become fast friends since the launch of 'The Voice' in 2011. Fortunately for them, the stars will have the opportunity to work together for at least another year. The Wrap reports that all four coaches have signed on to return for the NBC show's third season.

According to the site, Christina has agreed to return for $10 million, and her male cohorts will also receive "substantial pay raises," amounting to roughly $6 million each. The next installment of 'The Voice' is expected to make a fall debut. However, an NBC spokeswoman told The Wrap that "no final decisions have been made" in regards to coaches in future seasons.

The Wrap's sources reveal that Adam had been holding out due to scheduling issues. Maroon 5 is readying a new album, and the promotion of it had been expected to interfere with the TV show's fall premiere.

As for the current season, Blake is banking that one of his own will take the crown. "I'm most excited about Season 2 of 'The Voice,' because there are some country singers this year that are really good," Blake tells People magazine. "We had a few last year, but we didn't end up with a country singer in the final four. I know anything can happen, but I really believe in my heart that one of several country singers that we have on our show this year have a shot at winning the whole thing."

The Oklahoma native has the strategy to make it happen. "I am picking polarizing voices," Blake tells The Boot. "That really worked out well for me last time around. There were a lot of great singers on that show, but there was only one Dia [Frampton] and one Xenia. They are so different from any other voices you ever hear. That's what the show means to me. I think to Christina, it probably means someone with a huge range. That's the cool thing about having artists be the coaches -- we all have a different vision for what 'The Voice' is. I think it will become even more dynamic this year, as far as how different each one of our teams are. Now we know what we're looking for and how to go about the game we play."

Blake is currently on his Well Lit & Amplified tour with 'The Voice' Season 1 runner-up Dia Frampton, as well as Justin Moore. Their next stop is tonight (Feb. 17) in Columbus, Ohio. Get a full list of dates here.

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2012 Grammys: Blake Shelton