April 19, 2011 at 08:56 PM EDT

MTV’s groundbreaking series 16 and Pregnant returns tonight at 10 p.m., with a new season of fresh-faced moms, their boyfriends, and the topsy-turvy ride called unexpected pregnancy. In tonight’s installment, the drama gets going with a set of twins. But 16-year-old Jordan copes not with twin babies, but with her own twin sister, Jessica, who feels jilted when her sister shifts priorities to build her own family. Watch our exclusive clip of what goes down:

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