Blake Shelton discusses how his role as Gwen Stefani's kid stepfather has affected him Blake Shelton acknowledges that he has changed in every possible way as a stepfather point6 years after splitting from her ex- partner Gavin rosdale the 47-year-old country singer who is married to Gwen Stefani officially became stepdad to her sons Apollo 10 Zuma 15 and Kingston 17 he stated to Entertainment Tonight I learned quickly not because anything happened but just you know reading the room you've really got to think I have to take a step back dot when people say it's not about you anymore when you have a kid I think if you're doing it right it's not about you anymore that's true Blake first met the 54-year-old No Doubt singer a decade ago when she joined the voice and while they didn't talk much during that first season eventually the pieces were falling together