Barbara "Barbie" Millicent Roberts is the title character and the main protagonist of Barbie: Life in the Dreamhouse. She lives in the Dreamhouse with her sisters Skipper, Stacie and Chelsea, as well as her pets Blissa the cat, Taffy the dog, and Tawny the horse. Barbie also, surprsingly enough, is not a native to the state of Malibu, California, as her childhood home is in Willows, Wisconsin.
Let’s face it — Barbie is the doll who has it all. She’s a fashion icon who has a fab home, the best friends and the perfect guy who’s nuts about her. She’s great at everything, while remaining humble and kind, and is always there to cheer on her friends no matter the challenges. That’s why everyone loves her. Barbie obsessed with Zee at her mood. Barbie doesn't allow Victoria to enter to the Dreamhouse. But Barbie dislikes Olivia with a problem of macame, fashion emergency and the Winners and losers.
Barbie is the older sister of Skipper, Stacie and Chelsea. In earlier seasons she appeared to annoy Skipper, however the two have recently become close after working together at The Barbie Boutique. She and Stacie don't always see eye to eye, especially when it comes to activities such as jet skiing. Chelsea is closest to Barbie, despite the derailment of her sixth birthday in Happy Birthday Chelsea.
Barbie has been dating Ken for 43 or more years and the two are extremely close.
Despite acting antagonistic on a number of occasions, Barbie still considers Raquelle to be one of her friends. The feeling may not be mutual, however.
Ryan is in love with Barbie and is determined to win her over from Ken. Barbie ignores his advances, especially when he's written a song for her.
Teresa and Nikki are good friends with Barbie and have been for some time. Teresa had a bet with Barbie that she was a klutz in the kitchen which Barbie was desperate not to lose, while she once tried to convince Nikki that Raquelle wasn't devious enough to throw a themed party without telling the two of them.
Midge may be considered Barbie's closest friend, as they grew up together as children. Barbie acts considerably more excited around Midge than she does with the rest of her friends.
Summer and Barbie have been friends for an unknown period of time and when she came to visit, Barbie was determined to make sure that she got on well with her sisters. The two had a pose-off competition (which Barbie won) suggesting the possibility of a friendly rivalry between the two.
Barbie and Olivia Camila hates each other for an unknown reason of period and when she hate her so much. Olivia Camila was determined for Fashionistas Fashion show (which Barbie won) and Barbie and Olivia Camila completely rivalry between the two.