Gwen Stefani's son performed at Blake's Oklahoma bar 

Kingston Rossdale is following in the musical footsteps of his famous parents and famous stepfather.

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On August 11, the 17-year-old eldest son of Gwen Stefani and ex-husband Gavin Rossdale performed at Tishomingo, Okla.

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He gave a surprise performance at his stepfather Blake Shelton's bar Ole Red, marking the teen's live music debut.

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Blake performed a free acoustic show at the venue and introduced his stepson to the crowd as a special guest.

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The Voice alumnus said, "I'm so excited, really honored,

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Being the first person to introduce this guy on stage," as seen in a fan's video.

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"This guy is an artist, he is the real deal and you guys will be able to say you were there at his first public performance."

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Blake continued, "His music is rock, so I'm sure we'll find some rock fans here. He's only 17 years old.

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