Gwen Stefani gushed over working on “Purple Irises” with husband Blake Shelton. In a video released by the rock artist titled Gwen Stefani: Purple Irises Part Two, the couple — who tied the knot in 2021 — was shown singing the song’s chorus, “But if someone comes along and tries to love you like I love you / Don’t know what I’d do, don’t wanna lose you.” Later in the clip, Stefani, who shares three sons with ex Gavin Rossdale, detailed the creation of the track, which she asked Shelton to join in on. “I was on my way to a session and it hit me. It was like Purple Irises that’s the song. And I …