Premiering April 25, Extreme Sisters will follow five of the "most obsessive and inseparable sibling relationships" between sisters. "Some sister bonds are closer than others, but these siblings take their obsession to the extreme," says TLC. "From eating the same foods, to sleeping in the same bed and even sharing a boyfriend, some of these sister fascinations are sure to make you think twice about how close sisters can really be."
TOPICS: TLC, Extreme Sisters, Reality TV