Gwen Stefani & Blake Shelton Look Adorable Together in Photo Booth at Friend's Wedding

The two have been dating since at least early November

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.

A photo posted by amandacraig12 (@amandacraig12) on Jan 17, 2016 at 8:58am PST

A photo posted by amandacraig12 (@amandacraig12) on Jan 17, 2016 at 9:07am PST

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.

A photo posted by ????????????? e n i a ? (@xenia.music) on Jan 10, 2016 at 11:14am PST

No possible way to express our gratitude for all the love and support from our friends and family this week. We are the luckiest couple in the world, and I am the luckiest husband. The future is looking bright, @amandacraig12 ?? #bringontheborskis

A photo posted by Joel Borski (@joelborski) on Jan 10, 2016 at 9:48pm PST

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