Gwen Stefani's son Kingston face swaps with Blake Shelton and belts out one of his tunes

by HOLA USA!
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Gwen Stefani's eldest son face swapped with her boyfriend Blake Shelton on Snapchat.
Photo: Instagram/@gwenandblake
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The singer shares Kingston with ex-husband Gavin Rossdale.
Photo: Rich Polk/Getty Images for Feeding America
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Blake has admitted that he is the happiest he's ever been.
Photo: Kevin Winter/Getty Images for iHeartMedia
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