"It's just amazing. When you're a kid dreaming about being an artist, obviously the GRAMMY is the pinnacle of those awards," the 26-year-old said. "So we're just glad to be here and be nominated, period."
"I'm so proud," added Gregory. "It was kind of surreal, waking up this morning. We were at breakfast -- 'Can you believe we're going to the GRAMMYs tonight?' This is a dream!"
As his wife of four years, Gregory has been the muse for much of Rhett's music, including "Die a Happy Man," the tune that earned him the GRAMMY nomination this year, which, she admits, has been a little strange for her.
"It's definitely not how I anticipated my life going, I don't think, growing up," she said.
"She's way more famous than I am," Rhett joked, but later gushed over the inspiration Gregory provides.
"I guess, when I got married, I started writing a bunch of love songs, and now here we are four years later and I'm still writing love songs about how happy we are," he said. "So I'm going to have to find some different content to write about."