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Gwen Stefani, Blake Shelton, Wedding Photo Booth

Instagram

Gwen Stefani and Blake Shelton are all about the photo booth hijinks!

The Voice coaches, who have been dating since at least early November, attended the wedding of Shelton's stylist Amanda Craig and Joel Borski in Nashville last weekend. On Sunday, the bride posted on her Instagram page several pics of guests, including the singers.

Stefani, 46, is smiling while cozied up to Shelton, 39, in several photo booth images. She is wearing a black mesh dress while he sports a black suit.

Stefani and Shelton were not seen wearing any fun accessories in their photos together. However, the latter sported giant red glasses while posing for a pic with another singer, Xenia, who was a member of his team on season one of The Voice in 2011.

Stefani and Shelton have traveled together frequently over the past few weeks. They visited his family and shopped in his home state of Oklahoma, watched an NFL game in Arizona, went on a wine-tasting tour in Santa Barbara, California and frequented two of her favorite restaurants in her hometown of Anaheim, near Disneyland.

On Saturday, the couple and her three sons saw a movie and visited a shopping mall in the L.A. area.

PHOTOS: Gwen Stefani and Blake Shelton's cutest moments