Blake Shelton and Gwen Stefani are happy anywhere as long as they're together! The real-life couple showed their love by teaming up for a new track, «Happy Anywhere,» which debuted on Thursday night.«Even though Gwen and I just had a single out we decided that, under the circumstances, this year… man, there’s never been a better time for 'Happy Anywhere,'» Shelton said in a press release.