Gwen Stefani is spilling the tea on a past relationship. On Friday, Sept. 20, the "Just a Girl" singer released "Somebody Else's," the next single off her forthcoming album Bouquet. On the country-rock track, Stefani, 54, details why she had to leave an ex — and is feeling so much better now that he's "somebody else's problem."

On Friday, the "Just a Girl" singer released "Somebody Else's," the next single off her upcoming country-rock album, Bouquet, which details why she had to leave an ex -- and is feeling much better now that he's "somebody else's problem."

"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

OK, Gwen Stefani, tell Us how you really feel. The 54-year-old singer dropped her song “Somebody Else’s” — off forthcoming new album Bouquet — on Friday, September 20, and fans speculate that the kissoff track could be shading her ex-husband Gavin Rossdale.