Gwen Stefani celebrated her 2020 Academy of Country Music Awards performance with Blake Shelton in a very unique way.The No Doubt frontwoman, 50, Photoshopped Shelton, 44, into an old photo of herself with ex-husband Gavin Rossdale.“#datenight @acmawards w my boo @blakeshelton gx,” the “Make Me Like You” singer captioned the Instagram pic on Wednesday, September 16. The cute snap featured a younger version of Stefani wearing a crop top, black jacket and blue jeans.