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."

Gwen Stefani’s lyrics are a sweet escape back to the past. The 54-year-old released the next single, “Somebody Else’s,” off her forthcoming album “Bouquet” on Friday and didn’t hold back on the country-rock track.

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.