Lee Ann Womack's new video, "Twenty Years and Two Husbands Ago," is available for free viewing on CMT.com prior to its world television premiere Thursday (Oct. 27) on CMT's Top Twenty Countdown. Womack co-wrote the song with veteran songwriters Dean Dillon and Dale Dodson. It's featured on her latest album, There's More Where That Came From. The new episode of Top Twenty Countdown debuts at 4:30 p.m. ET/PT. ... Other new videos added to CMT.com this week include Amber Dotson's "I Ain't Your Mama" and the Clumsy Lovers' "Stand Up." Dotson, who's signed to Capitol Nashville, served as the opening act on George Strait's 2005 tour.