Barbie Millicent Roberts also known as Barbara Millicent Roberts.She was voiced by several talents: Kelly Sheridan, Diana Kaarina, Morwenna Banks, Sharon Lewis, Kate Higgins, Ashleigh Ball and Jodi Benson. Her singing voices include Melissa Lyons, Julie Stevens, Skye Sweetnam, Jennifer Waris, and Tiffany Giardina.Barbie is a teenage girl who lives in Malibu, California. She has a boyfriend named Ken, who was introduced in 1961. The couple broke up on Valentine's Day in 2004, but got back together on Valentines Day 2011. While they were broken up, Barbie briefly dated a Californian boy named Blaine. Barbie is a friend with Blaine's sister, Summer. But now she is girlfriend of Ken and they have very good relations.Barbie's best friends are Teresa, who has replaced Midge her first friend, Nikki, Summer, and Raquelle, her childhood rival who currently became her friend. However Midge is said to be reproduced in 2013. They recently became part of Barbie's movies.

Barbie also has a very big family who changed throught years. Barbie's parents are George and Margaret Roberts but they never appeared in the movies. In Barbie: A Fashion Fairytale, Barbie said that she admires her aunt.

Her favorite place is the spa and she loves yoga, going to movies and parties with her friends, massage and pedicures. Her favorite beverage is iced coffee and pineapple juice.Barbie is as a Caucasian teenage girl with blonde hair, pale skin and blue eyes. But there are also some movies where she has green eyes such as Eden Starling and Elina or when when she plays as her twin sister she is brunette such as Erika and Keira or Odette (The Pink Shoes). She is mostly seen wearing pink which is her official main color but there are some exceptions where her main outfits are blue such as Odette, Rosella, Erika and Giselle or purple as Rapunzel (her ball gown), Princess Annika, Keira and Odette (The Pink Shoes).
The vintage Barbie was available in three different hair colors: blonde brown and red.