"If I could, I would just tell you everything, and you would just be in shock," Stefani says, adding that she doesn't discuss the reasons behind the breakup partly to protect her three sons. "It's a really good, juicy story."
Stefani says her friendship with Shelton blossomed when she returned to work on The Voice last year, before her divorce drama became public.
He "had been going through literally the exact same thing in literally the exact same time frame," Stefani shares. "Never in my wildest, craziest dreams would I ever have seen this coming."
"We got her horse and I got myself a horse at the same time," he told ET's Nancy O'Dell. "Gwen, she loves riding and she loves horses. It's actually so funny that people are so shocked by that, but if you can name me one girl on the planet that doesn't love horses or just think that they are beautiful..."