Even pop-rock goddess Gwen Stefani still gets the pre-show jitters!
The "Misery" singer tells ET that she can certainly relate to her Team Gwen artists on The Voice as they continue live elimination rounds on the show.
"It's been all these years and I still, when I do live music ... I still get nervous. It's crazy," she said. "Anything can happen, you know? It's that adrenaline. It's amazing, I love it. I get the beating heart, you know what I mean? I can't imagine what they [the artists] feel like."
"They're probably petrified," Adam Levine chimed in.
In a paired interview ahead of Tuesday's broadcast, Stefani and Levine revealed whether it's luck or science that leads to victory on the show.
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"Science has nothing to do with it, I assure you that," Levine quipped. "We just have fun. Everyone always asks if it's real and if we really, you know, if the things we say are pre-meditated or scripted or if we have a strategy ... and we really don't. We're in this thing now the way we came into it, which is not knowing what we were doing at all. Especially the first season, we were like, 'What is this? What is happening?'"
With three seasons now under her belt, Stefani believes the key to success goes well beyond each singer's voice -- it's in their heart.
"I just keep telling my team, 'At this point, you've already proven that you're great singers and performers. At this point, it's really just opening up your heart and letting people in to get to know you,'" she explained. "I think that's what we are attracted to as fans of music, is being able to connect. It's hard to do that when you're on TV doing a performance and there's a lot to learn about being on TV and doing performances, so we talk about that. It's something that's hard to learn in a short amount of time."
Meanwhile, Stefani's boyfriend and competitor, Blake Shelton, has a slightly different take.
"Now is when I switch into my winning strategy, and you know I can't give those secrets away," he joked. "I did look ahead at this year's script and they have me winning again."
"No, I don't think that's going to happen this year," she said. "I think most of it is a lot of luck, and I think it's also a bit of science to start to determine how to get the best of who you have that will really affect an emotional connection to the people that want to vote. But I also think it's kind of destiny a bit, you know, what's meant to happen."
Now in her second season as a coach, Keys admits to picking up a few secrets from the series' winning-est coach, Shelton.
"Like, really keeping the lanes clear so that there's one person that people can vote on," she said. "So it doesn't get too convoluted [on each team]. That's an interesting piece of action I never thought of before."
Still, Shelton couldn't help but throw some friendly fire at his competition.
"Seriously, Alicia is probably the worst coach we've ever had," he cracked. "In fact, I only let her come back to try and redeem herself a little from last year's disaster."
"He's scared," countered Keys. "Don't you see it? It's obvious. That's what men do! You know how it goes."
The Voice season 12 continues on NBC on Mondays and Tuesdays at 8 p.m. ET/PT.