Leslie Carter, Sister of Nick and Aaron Carter, Dies at 25 Seattle Post-Intelligencer Copyright 2012 Seattle Post-Intelligencer. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Published 09:30 a.m., Wednesday, February 1, 2012 Leslie Carter - the sister of pop singers Nick and Aaron Carter - has died, Access Hollywood reports. The 25-year-old aspiring singer, who appeared on the family's 2006 reality show House of Carters, died Tuesday in upstate New York.