The relationship between stepsisters, Nikki Merrick and Emma McKendrick originally started off as a conflict in Nikki in the City, but they became friends a little while after Nikki got to know her.
- They first met in Nikki in the City when Nikki returned home for her mother's wedding.
- Emma developed a crush on Nikki's best friend, Frankie Lewis, until Nikki told her he was gay and in a relationship.
- Emma attended Nikki's old high school while Nikki was attending fashion college in New York.
- They were both friends with the Jennings sisters. Nikki is friends with Sierra and Emma is friends with Leslie.