• Singers Blake Shelton (L) and Gwen Stefani perform on the Honda Stage at the iHeartRadio Theater on May 9, 2016 in Burbank, California.

Singers Blake Shelton (L) and Gwen Stefani perform on the Honda Stage at the iHeartRadio Theater on May 9, 2016 in Burbank, California. (Photo : Getty Images for iHeartMedia/Kevin Winter)

"The Voice" coach Blake Shelton is rumored to already planning his wedding to Gwen Stefani.

According to US Weekly, the couple, who hasn't even been engaged yet, has already met up with vendors who they wish to hire for their big day. The outlet added that Shelton and Stefani, who just celebrated their first anniversary as boyfriend and girlfriend, intend to tie the knot at the end of the year.

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Meanwhile, People previously reported that Shelton and Stefani have indeed talked about their wedding plans. "Rumors are circulating in their circle that they've begun preparations for a wedding. There's no date set, but they're planning ahead and having fun talking about it," a source told the publication.

In August, TMZ reported that the couple hired the services of celebrity event planner Jerri Woolworth. However, when Stefani appeared in the "The Ellen Show," the actress shied away from talking about her alleged wedding plans with Shelton. When host Ellen DeGeneres asked the singer when she will get married, she simply said that she will let her know.

Meanwhile, Shelton and Stefani's relationship came as a surprise to fans who knew that both of them were previously married to their respective partners. However, it's obvious that the two are very happy and are also madly in love. In an interview with Glamour, Stefani said that Shelton was there for her when she needed somebody. "He was a friend to me when I needed a friend," she said. Even though they come from different cultural backgrounds, they also share tons of similarities. "But it's really fun when you can learn about so many new things and share those differences," she said.

Shelton and Stefani first worked together on "The Voice." At present, only Shelton is coaching on the show.