"She Couldn't Change Me" is a song written by Gary Nicholson and Chris Knight, and recorded by American country music duo Montgomery Gentry. It was released in February 2001 as the lead-off single from their album Carrying On. It peaked at #2 on the Billboard Hot Country Songs chart and at #37 on the Billboard Hot 100, making it one of their highest peaking crossover songs.

In the first verse, the song's narrator's woman leaves him and heads out west because "she couldn't change [him]." In the second verse, she starts to think about the quiet country nights with him, and "Whatever she thought was so wrong with [him] / Suddenly seemed alright". Then she heads back to him, and she says that "when you love someone, you just gotta let it be."

Deborah Evans Price of Billboard magazine reviewed the song favorably, calling it a solid single and saying that Montgomery Gentry delivers the song with an "edgy energy that is immensely appealing."

The music video was directed by Guy Guillet.

"She Couldn't Change Me" debuted at #53 on the U.S. Billboard Hot Country Singles & Tracks for the chart week of February 10, 2001.

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