WATCH: Pharrell Joins 'The Voice' With New 'Happy' Promo

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The upcoming season of "The Voice" can best be described as its “Happy-est” yet!

With Pharrell Williams joining the lineup of coaches, the show kicked off a fun promo using his hit song “Happy” as background music. And as you can see, the chemistry between the group – which includes glam season 7 newbie Gwen Stefani – already seems tight.

She posted an Instagram photo of the crew on Monday as she vamped it up with her “boys” in a pair of sky-high stilettos – and yes, Williams seems to be caught in the pic staring at her super-fit legs.

Longtime coach and Maroon 5 singer Adam Levine returns alongside his friendly nemesis Blake Shelton, the three-time winning coach and country star.

The Voice returns Sept. 22 on NBC.


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