• "The Voice" judges Christina Aguilera, Blake Shelton, Adam Levine

"The Voice" judges Christina Aguilera, Blake Shelton, Adam Levine (Photo : REUTERS/MARIO ANZUONI)

"Drink A Beer" singer Luke Bryan has recently joked that the best thing about his 50th Academy Of Country Music (ACM) co-shot Blake Shelton is the size of his butt and belly.

"The best thing about Blake is that at different points of his life, his butt has been bigger than his belly (but) at other times, his belly is bigger than his butt," Bryan told People.

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This is the third time for Bryan and Shelton to host ACM 2015, which will be held on April 18, Sunday, at the AT&T Stadium in Arlington, Texas.  

ACM 2015's hosts Bryan and Shelton, both 38, will also perform during the event with top country music artists such as George Strait, Brad Paisley, Alan Jackson, Lady Antebellum , Reba and Eric Church, among others.

Bryan is nominated Entertainer of the Year and he will go against Garth Brooks, Jason Aldean, Florida Georgia Line and Shelton's wife Miranda Lambert.

Lambert will compete against Brandy Clark, Kacey Musgraves and "American Idol" alum Carrie Underwood for Female Vocalist of the Year. Her "Platinum" is nominated for Album of the Year and her "Automatic" is nominated for Single Record of the Year and Single Record of the Year.

Meanwhile, Shelton recently revealed that he almost had a collaboration song with Pitbull.

On April 15, "The Voice" judge told "American Idol 205" host Ryan Seacrest on his KIIS FM radio show that he turned down the opportunity to work with Ne-Yo's "Time Of Our Lives" collaborator.

"I got real close to doing a song with Pitbull one time," Shelton told Seacrest. "There's just something about me being like a middle America country artist saying the word motherf----r over and over again. It was like, 'Man, I just don't know if that's going to go over with my soccer moms.'"