Hollaback Girl

Gwen Stefani and Blake Shelton arrive on the red carpet for her grand opening of "Gwen Stefani Just a Girl" residency show at Planet Hollywood Resort and Casino on Wednesday, June 27, 2017, in Las Vegas, Nevada.

Gwen Stefani Sings "Hollaback Girl" At Blake Shelton Show

Gwen Stefani surprised an entire crowd of Blake Shelton fans at the Watershed Music and Camping Festival that went down in George, Washington right before the weekend.
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