Kelsea Ballerini's latest single, "Legends," was actually inspired by a broken heart. The song was written two years ago, when Ballerini was watching a relationship fall apart,  unable to predict that by the time the song hit the airwaves, she would be planning her wedding.

"I wrote it when I was going through a breakup, so that was the heart and the perspective that it came from. But as I’ve lived with it, it’s kind of changed meanings," Ballerini told The Boot and other reporters at a recent media event. "It’s a chameleon song for me. It’s still a story about heartbreak, but now, I’m in a very good place in my life, and I sing it as a love song now, because it doesn’t necessarily have to be a love that ends. It’s just looking back nostalgically on a love. And so now it’s kind of a love song for me."

The cinematic music video for "Legends" has already garnered Ballerini plenty of attention as well. Ballerini calls it "the beginning of the next chapter," and says the tune is a good hint at what her sophomore album will sound like.

"I feel like it’s a perfect bridge from the last record into everything else that’s coming down the road," she explains. "When I wrote that song and listened to the demo, that day, I envisioned just a big loss. And so, it’s a very emotional video."

Ballerini is happy to wear her heart on her sleeve when it comes to writing about her romance with Evans. The Tennessee native says that she couldn't write about love before, because she hadn't truly experienced it until she began dating her soon-to-be husband.

"Even with "Love Me Like You Mean It," [honesty] was the heart of it. That was the heart of the song," Ballerini says. "I just didn’t know that kind of love yet. It was kind of me writing a sass-bomb of a love song -- being like, ‘If you’re ever going to love me, love me like you mean it,’ because I didn’t know any different. But being in this relationship, it’s very much so. He’s that kind of person. Feeling that, knowing that, I’ve written about it for so long, before I even knew it. I definitely feel like it’s something that I want everyone to feel, and know that they’re worth being loved."

Adorable Photos of Kelsea Ballerini and Morgan Evans

All four singles from Ballerini's debut album, The First Time, landing in the Top 5 on the charts; three of them, including the platinum-selling "Love Me Like You Mean It" and "Peter Pan," became No. 1 hits. Thanks to those achievements, the 23-year-old hasn't had much time to sit down and dwell on her success: In addition to headlining her own The First Time Tour in 2016, Ballerini has also spent most of the last few years opening for other artists -- Lady Antebellum, Thomas Rhett, Dan + Shay and Rascal Flatts -- on major cross-country tours.

"It’s hard; it’s really hard, actually. I feel like I’ve learned over the last few years that it’s really good for me to get really busy and sprint, and then have a week where I can decompress and think about it. That’s what works best for me," Ballerini confesses. "But I also feel like I’ve been really lucky to surround myself in my life, personally and with music, with people that celebrate with me and also feel when things don’t work with me. And so we just let ourselves win and lose together."

Ballerini previously opened for Lady A on their Wheels Up Tour in 2015, and she is now on the road with them for their You Look Good World Tour. In addition to getting career advice, the artist is using that time on the road to hammer out wedding details -- sort of.

"Hillary [Scott] is amazing. We definitely talk a lot about it," Ballerini gushes. "But I have a wedding planner. I’m not a wedding person. Instead of thinking about wedding dresses, I was thinking about Grammy dresses. So we’re doing it. We have a date. It’s happening this year. We’re both so excited. But we’re both so busy. We’re so music-centric that we’re just focused on that right now."

Of the tours she's been out on, though, Ballerini says being with Rhett for his Home Team Tour taught her the biggest lessons.

"It was his first headlining tour. Seeing how involved he was with everything, down to the transitions in between songs, and the production, and the time the lift came up -- all these things, I got to watch him pour himself into that," Ballerini notes. "My dream is to headline arenas, and that’s what I got to watch him do. So I think being so close to that and watching that firsthand was super inspiring."

"Legends" is available for download on iTunes, and a list of all of Ballerini's upcoming shows is available on her website.

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