In the past year, Blake Shelton has become a bona fide TV star. This is thanks to his role as a coach on NBC's hit show, 'The Voice.' However, the singer was initially unsure about whether or not to participate in the reality program.

"I almost didn't do 'The Voice'," he tells Reality TV magazine, remembering the first time he met his future cohorts. "I'm the only country artist, so I'm the only coach on time because I'm worried I'll be fired before we even get started."

Thankfully, the 'Drink On It' singer stuck around, despite the tardiness of his co-stars. "After about 15 minutes, this little guy [Maroon 5 lead singer Adam Levine] in a white t-shirt and all these tattoos comes in," he recalls.

"Then, Christina [Aguilera]'s boobs come through the door, and about two minutes later the rest of her body comes through," jokes the Oklahoma native. Finally, "in comes this guy in a bright yellow Adidas suit [Cee Lo Green] ... and my manager asks, do I know any of his music?"

In spite of his tentative beginnings on the show, he clearly made the right decision. The debut of the second season of 'The Voice,' which aired right after the Super Bowl, garnered more than 37 million viewers, and it is consistently one of the highest-rated shows each week.

In addition, all four coaches have reportedly signed on for a third season. According to The Wrap, Christina has agreed to return for $10 million, while 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.

Last season, the 35-year-old came in second with Dia Frampton taking the runner-up slot. This year, though, he's devised a strategy to take the top spot. "I am picking polarizing voices," Blake tells The Boot. "That really worked out well for me last time around ... 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 balancing his role on the TV show with his job as headliner on his Well Lit & Amplified tour, which includes Justin Moore and Dia Frampton, serving as opening acts. See his concert schedule here.

'The Voice' airs Monday nights at 8:00 PM on NBC.

Watch Blake on the Grammys Red Carpet

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2012 Grammys: Blake Shelton