Despite having a busy schedule,Taylor Swift hit Sundance on Jan. 20, to attend the premiere of the HBO documentary Ethel, a movie based on the life of Robert F. Kennedy's widow. The young star recently told Voguethat she was starstruck when she spent an afternoon with the 83-year-old Kennedy matriarch. "She is one of my favorites because you look back at the pictures of her and Bobby and they always look like they are having the most fun out of everybody," she said. "You know, eleven kids, all these exotic animals on their property. I’ve read a lot about them."