Gwen joined Blake onstage at Country Jam to perform a surprise duet of their hit “Go Ahead and Break My Heart.” Gwen later returned to the stage to perform No Doubt’s “Hella Good.” After the amazing performance, Gwen and Blake kissed!
Birthday boy Blake Shelton, who turned 40 on Saturday (June 18), celebrated with girlfriend Gwen Stefani in front of a crowd of country music fans. Stefani showed up onstage with Shelton at Country Jam in Grand Junction, Colo., for a surprise duet Saturday night – and she later returned for a solo performance.