It sounds like the next release for Blake Shelton and Gwen Stefani will be a duet. They've been teasing their fans with snippets of a new single on TikTok. "Now we're picking purple irises," she says in her post, referencing one of the songs lyrics. The video shows Gwen and Blake each singing in the studio, with other musicians and staff working behind the scenes. The couple have released multiple duets in the past, including the number one hits "Nobody But You" and "Happy Anywhere."