Wynonna has announced that she and mother Naomi Judd will reunite in 2010 for the Judds' final tour. Wynonna shared the news on The Early Show on CBS on Saturday (Feb. 6). They have also been recording new music with an expected release date later this year. In related news, Ashley Judd -- Wynonna's younger sister -- is planning to release her memoir in early 2011, covering the challenges of her childhood as well as her activism efforts. The memoir will be published in cooperation with Ballantine Books. She is currently enrolled at Harvard University earning an advanced degree in public administration.