Leslie Carter, Sister Of Nick And Aaron Carter, Dies At 25 Leslie Carter, the sister of singers Nick and Aaron Carter, died Tuesday in New York state. She was 25. "Our family is grieving right now and it's a private matter," the family told Fox411 in a statement. We are deeply saddened by the loss of our beloved sister, daughter, and granddaughter, Leslie Carter. We request the utmost privacy during this difficult time. The cause of her death has not been revealed and no additional details have been released. Like the rest of her family, Leslie was also involved in music. She signed a deal with DreamWorks Records back in 1999, but never released an album, according to the New York Daily News. She released the single "Like Wow!" in 2001, which appeared on the soundtrack for the film "Shrek." Leslie also appeared on the E! reality show, "House of Carters." She and husband Mike had a daughter, Alyssa Jane, who was born in April of 2011.