I know that she's in real life, from Oklahoma (https://www.youtube.com/watch?v=jTGB_hdP0KU), but I've read comments elsewhere (https://www.quora.com/How-genuine-is-Reba-McEntires-Southern-accent-Are-there-other-Hollywood-actresses-who-are-really-good-in-doing-a-Southern-accent#:~:text=Even%20though%20Reba%20McEntire%20grew,I%20still%20speak%20that%20one.) that argue that Reba sounds more like she could be from Arkansas because of the heavy southern twang that she uses in her speech. And if you ever hear Reba talk on both her sitcom (which is set in Houston, Texas (https://www.quora.com/Do-people-in-Texas-and-Oklahoma-speak-the-same-dialect-of-English)) and in real life (https://www.youtube.com/watch?v=hebnV3l5KZs), does do that thing (https://www.oklahoman.com/story/news/1984/07/29/reba-is-real-oklahoma/62795509007/#:~:text=Reba%20McEntire%20stretches%20%22bale%22%20and,to%20put%20on%20any%20airs.) where stretches "bale" and "hay" as if each word has two syllables.

Oklahoma accents (https://www.reddit.com/r/oklahoma/comments/102lc3v/what_makes_an_oklahoma_accent/) are described (https://sophon.okstate.edu/projects/368-okie-english#:~:text=How%20do%20Oklahomans%20sound%3F,%2C%20change%20over%20time...) as being a mix of Southern (https://www.city-data.com/forum/oklahoma-city/1710270-do-oklahomans-typically-have-southern-midwestern-8.html) and Midwestern features. I can't help but think of the episode (https://www.partonandpearl.com/blog/top-five-reba-episodes) where Barbara Jean changes her hairstyle (https://reba.fandom.com/wiki/Seeing_Red) to match Reba's and Reba tells Brock in the kitchen, "It's a good thing that I don't have an accent because otherwise, she'll copy that too!"