No, it's not all the recent controversy surrounding her appearance on Shape magazine's cover. Nor is it the fact that Eddie Cibrian's proposal last weekend wasn't exactly the real deal. (Yet!) Heck, we can't even simply chalk it up to all the relentless coverage of her and Eddie's headline-grabbing relationship.
So just what is it that gets LeAnn Rimes a wee bit weepy on ABC's In the Spotlight with Robin Roberts: All Access Nashville tonight?