As the new Jessica continues her Mission: Cowgirl Reinvention, the pop-turned-country singer made her Grand Ole Opry debut Saturday night, singing her first single off her new album, "Come on Over." Simpson may have been thrilled to pieces with what she felt was "like a homecoming," but a few of the more conservative country fans in the audience were a bit perturbed by her plunging neckline. Guess they don't watch cable much, huh?