Is Gavin Rossdale jealous of Blake Shelton? Gavin Rossdale is reportedly unhappy about how close his three children have grown to Blake Shelton. Photo: Gavin Rossdale Reunites With Nanny Mindy Mann At Her California Daycare? As Shelton's romance with Gwen Stefani becomes more and more serious, so does his relationship with her boys, and unfortunately, that hasn't sat well with Rossdale.