Gwen Stefani and Gavin Rossdale are doting parents to their three children, and their oldest son Kingston, 14, made sure everyone knew just how great his dad was during a Q&A on Instagram Stories during the summer holidays.MORE: Gwen Stefani looks unrecognisable with brown hairBack in July, the teenager was asked by a follower: "What is it like having the king of grunge as a dad?" to which he responded: "Could not ask for a better dad I love him so much." VIDEO: Gwen Stefani and Blake Shelton's