1000-Lb Sisters stars Tammy Slaton allegedly isn’t with her husband Caleb Willingham anymore, according to him. Recently, rumors have been circulating about their relationship, leaving fans wondering what’s really going on. However, his most recent update seems to point out that the spouses are no longer together. 1000-Lb Sisters: The Beginning of Caleb and Tammy Caleb Willingham and Tammy Slaton’s relationship was a significant storyline in the first season of 1000-Lb Sisters.