Is Barbie's sister Spee her own?

Yes According to the relevant materials of the movie Barbie, in this movie, Barbie's sister Shi Pei is her mother's biological daughter, and Barbie is her half-sister. Barbie has three sisters, Spice, Stacy and Little Kelly. Barbie is an emotional film, directed by Li Xiangyu and starring Li Tianxi and Jin Shirong. It was released in Korea on 20 12125 October.