Plot summary
When Kyra gets her driver's license, Reba gives her a cell phone secretly equipped with a GPS tracker. Kyra, being no fool, trades phones with Cheyenne. Reba and Barbra Jean, clueless about the switch, believe Kyra has been going to a bar. In an attempt to catch her, they instead find Cheyenne in the midst of a karaoke performance of The Morning After by Maureen McGovern BJ and Reba end up doing a duet to the song 9 to 5 by Dolly Parton.
Credits
Adapted from Wikipedia contributors, Reba season 4. HTML formatting and reference markers removed.