Blake Shelton celebrated a milestone birthday Saturday as he turned the big 4-0. His pop star girlfriend, Gwen Stefani, was right by his side.
The two celebrated by performing their duet "Go Ahead and Break My Heart" at Country Jam in Grand Junction, Colorado. Stefani, 46, surprised concertgoers by hopping onstage at the end of Shelton's two-hour performance.
Blake Shelton Admits He Laughed During Billboard Music Awards Duet With Gwen Stefani Gwen Stefani Releases New Single About Blake SheltonStefani retweeted a fan's video of her surprise appearance Saturday night.
@gwenstefani look how amazing you did!!! you rocked it wow!!! #CountryJamCO ?????? pic.twitter.com/dfhiRsxBNs
— mia (@stefaniigx) June 19, 2016
The former "No Doubt" frontwoman also posted several childhood photos of Shelton in honor of his birthday.
She captioned one photo on Twitter: "Happy birthday to my favorite person I ever met @blakeshelton gx #superbabe."
Happy birthday to my favorite person I ever met @blakeshelton gx ??????#superbabe pic.twitter.com/tXVinUho71
— Gwen Stefani (@gwenstefani) June 18, 2016
Stefani also took to Instagram to share another throwback photo of Shelton, with the caption: "Happy birthday to @blakeshelton literally my favorite person gx."
In addition to the older photos, Stefani posted a current photo of herself blowing a kiss to the birthday boy.
Stefani and Shelton began dating publicly last November.
