Blake Shelton reportedly blamed his “d–khead” manager for not being able to see Gwen Stefani and No Doubt kick off their Las Vegas residency at the Sphere this week. The “Austin” crooner explained his notable absence from his rocker wife’s opening show at the iconic venue during his own concert at the Colosseum at Caesars Palace in Sin City on Wednesday night. “My wife came to town. She’s here. I mean, she’s not here . She’s over there at the other venue,” the former “Voice” coach told the audience, according to the Daily Mail . Blake Shelton (pictured here in May 2025) blamed his manager for not being there when Gwen Stefani kicked off her and No Doubt’s Las Vegas residency at the Sphere. Penske Media via Getty Images Stefani (seen here during a concert at the Sphere) launched her residency at the iconic Las Vegas venue on Wednesday night. Brian Prahl / SplashNews.com “What kind of a d–khead books us the exact same nights every single night?” he added. “I think my manager did that.…