Barbie Doll Birthday Surprise Party Toy Frozen Kids Dolls Krista, Kelly, Chelsea by DisneyCarToys. Barbie Doll Kelly Chelsea Surprise Birthday Party playset of Barbies little sister Kelly with Frozen Barbie Parody story kids. The Frozen Barbie parody kids include Krista, Princess Anna and Kristoffs kid. Felicia and Alex are kids of snow queen Elsa and Prince Felix. This Surprise Birthday Party Barbies little sister playset is vintage from the 1990s when Chelsea doll was called Kelly. The Barbie dolls Tommy (Alex) and Krista are also 1990s vintage Barbie dolls.