It's a family trauma-rama. Cher has never felt sibling-deprived. Like that famous poem "You can pick your t.b.'s but not your evil stepsisters." And segue, is De not the sister Cher never had? But when Cher's dad decides to marry a women with a teen daughter named Tara, the harmonious Casa Horowitz morphs into Crisis Central. Suddenly Cher's totally envy-worthy life is all warp-speed. Not to mention that her almost stepsister is dissing her bedroom decor. Can Cher share her personal space with someone so style-challenged? Will she bond with the sister she never wanted? Tscha! Sisterhood—virtual or biological—is way powerful.