Gwen Stefani holds surprise birthday bash for Blake Shelton

Gwen Stefani is celebrating her to-be groom Blake Shelton around loved ones.

On Friday, the duo was surrounded by family and close friends to celebrate the birthday bash of the 45-year-old country singer.

Stefani also shared a bunch of throwback photos and videos of beau Blake on her Instagram handle.

In one of the clips, fans could also see a surprised country singer walking hand in hand with Stefani into a room full of balloons reading "HBD 45 BLAKE"

"Celebrating my besties b day today love u," captioned Stefani alongside the video.

Take a look: