Gwen Stefani has released a new song about moving on after heartbreak. In "Somebody Else's," Stefani remembers a past partner who brought the iconic singer to "rock bottom." "Leavin' you saved me, my God,

"I get a text from Madison with a start of a song called ‘Somebody Else's,' after a bunch of sessions that we'd done, and in those sessions there's a lot of confession and just