Jun 25, 2010 By Chris Tinkham

In her most recent films, 19-year-old Jennifer Lawrence has portrayed resilient, mature-minded teens who, by default, have assumed the mother role in their respective families. In Winter's Bone, which won the Grand Jury Prize: Dramatic at the Sundance Film Festival in January, Lawrence plays Ree Dolly, an impoverished 17-year-old living in the Missouri Ozarks who is hellbent on keeping her preteen brother and sister out of the hands of unreliable surrogate parents. Though Lawrence is the youngest in her family, she admits that her maternal instincts are evident in real life. "I've always been a babysitter and a nanny," she says. "All my friends call me mom." More