The Voice Season 9 coaches have officially been revealed and the "Hollaback Girl" Gwen Stefani is replacing Christina Aguilera for a second time on the reality singing competition series.

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Aguilera was a founding coach on The Voice and has been replaced by Shakira in Seasons 4 and 6 and Stefani in Season 7 and now Season 9.

Stefani is resuming a spot in a big red chair, which she's "so excited" for, according to a release from NBCUniversal MediaVillage.

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Stefani will be back with her fellow Season 7 coaches, original Voice coaches Adam Levine and Blake Shelton as well as Pharrell Williams who also joined in Season 7 like Stefani.

"I can't believe I get to return," she gushed, adding, "It's so inspiring to be around such incredible talent and music. I'm looking forward to working again with Adam, Blake and Pharrell. I love those guys."

Shelton is equally thrilled to be on the coaching panel with his fellow Season 7 coaches too.

"Adam, Gwen, Pharrell and I had a blast together in Season 7 and I'm excited we're back together again. They are all so talented," Shelton dished in the release.

Levine shared returning to The Voice for a ninth season now is "like the first day of school."

"It's become a second family for me and I'm always so excited to come back to it," Levine added.

Williams is hot off his first win with his truly gifted teen artist Sawyer Fredericks, but he's ready to go for "another season of talented artists."

The Voice returns to NBC in September.

Tags: The Voice television nbc