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The Voice celebrity coaches have obviously spent a lot of time together. During their time on the singing competition, they've memorized each other's mannerisms and tendencies, which they hilariously displayed for us by impersonating each other in a new promo.

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In the video, Blake Shelton copies Cee Lo Green's velvety cadence, Christina Aguilera embodies Blake's country-boy swag and Adam Levine emulates Christina's regal femininity.

Be sure to tune in when The Voice returns to NBC on September 10 at 8 p.m. ET.