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When Carrie Underwood and Chace Crawford split up, the couple called it quits digital style, says the country star.

"It was completely mutual," Underwood told Extra at the taping of Idol Gives Back. "We broke up over text so ... it's like 'peace out.' "

According to Underwood, the breakup wasn't a tearful confrontation, but a realization that the romance just wasn't meant to be between her and the Gossip Girl hunk. "It just didn't work," she said. "We both knew it didn't work and [had] no hard feelings at all whatsoever."

Although the couple hasn't spoken recently, Underwood has nothing negative to say about her ex. "I don't dislike him, so it's no big deal."

The split was a bit harder on Crawford, however. "He was upset about the breakup," his sister, Candice, told PEOPLE last week. "It's always hard when you lose a relationship."

Underwood reveals that her high profile relationship was made harder by fame. "It's difficult while you're dating because people always make a lot bigger deal of things than they actually are," she tells Extra. "Then when you break up with somebody and then like two months later it comes out and it's like you're rehashing old stuff. I don't know what that's all out now."