The Voice The Voice

Fans of The Voice know that a huge part of being a coach is the ability to convince a coveted singer to join their team. And even though Gwen Stefani and Pharrell Williams may be new to those big red chairs, they seem to be catching on very quickly.

In this sneak peek from Monday's Season 7 premiere (8/7c, NBC), No Doubt's leading lady and the "Happy" singer each must give their absolute best sales pitches to win over a soul singer who gets all four coaches to push their buttons. When Adam Levine tries to use their rookie status against them, Stefani hollas back — sorry, we had to — about why picking a Voice veteran like Levine or Blake Shelton may not be the best bet.

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"They're kind of calling it in at this point. They've been doing it so long," she says in the video. "I am so pumped up. I've never done anything like this before. I'm all fresh and excited so I could really give you a lot of focus."

So how do Levine and Shelton respond to Stefani's smack talk? And which musical superstars does Pharrell name-drop to get ahead? Check out the clip below to find out:

The Voice premieres Monday at 8/7c on NBC.