Her ex-husband has reportedly complained about his three children — Kingston, Zuma and Apollo — forming a relationship with Blake Shelton.

“Gavin doesn’t agree with [Gwen] having a relationship with Blake, and he doesn’t like her bringing the kids around him,” a source told E! News. “If it were up to Gavin he would want to work it out with Gwen.”

more at Source: Gavin Rossdale Doesn’t Want Kids Around Blake Shelton | The Daily Caller