Country singer Jason Aldean is a big fan of Animal Planet’s Tanked, and as a result, he got the surprise of his life!

Aldean’s wife, Brittany, recruited Tanked stars Wayde King and Brett Raymer to construct a giant aquarium for their sprawling home, and only ET has the exclusive first look at the adorable reveal.

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Given less than two weeks to build the aquarium and have it installed before Aldean returned home from tour, they somehow got it all done -- and the 39-year-old singer was completely beside himself when he first laid eyes on the newest feature.

The moment Aldean stepped through the door, his mouth went agape in shock: “What is that?!”

He was doubly impressed when King and Raymer surprised him by making their presence known, and Aldean -- who is a hard person to surprise -- could only muster up a flustered, “You gotta be kidding me!”

“I don’t even know what to say,” Aldean said, as he continued to study it in awe. “I mean… this is great!” Watch the rest of the video to see how it all played out!

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In January, Aldean revealed to ET that he and Brittany are looking to possibly expand their brood “in the next couple years.”

"We're talkin' about it," Aldean, already father to two young daughters from a previous marriage, said at the time. "She’s a lot younger than I am, so I gotta make this happen quick. I don’t want to be the old dad! It's something we definitely want, at least one kid and possibly two, we'll see. It's something we've talked about a lot. Hopefully in the next couple years."

Tanked airs Fridays at 10 p.m. ET/PT on Animal Planet.

To hear more about Aldean’s relationship with Brittany, watch the video below.