Taylor Swift dresses up as Ariel from The Little Mermaid for her New Year’s Eve bash on Monday night (December 31) in New York City. The 29-year-old singer hosted her best friends for a costume party at her apartment in the Big Apple. “Mary Poppins, Audrey, Ariel, Ms. Frizzle, Cinderella, Gwen, Mr. Toad, Avril, Nancy