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By Sierra Marquina

The Voice returns tonight with Shakira, Adam Levine, Usher, and Blake Shelton.

The Columbian singer is back for her second season and as the only girl, we had to wonder which of the guys gets on her nerves the most.

The “Can’t Remember to Forget You” singer tells On Air with Ryan Seacrest when it comes to who gets on her nerves, it’s Adam!

Shakira laughs: “Adam [gets on my nerves the most] because he’s so competitive! And Usher is like Switzerland, he’s a little more neutral. And Blake can get on my nerves too, but he’s too funny.  But I think the chemistry is better than ever, it’s just great.”

Catch the season premiere of The Voice tonight on NBC on 8/7c.