Selena Gomez To Star In Sex and the City Prequel: Well, this is interesting, “Sex and the City” creator Candace Bushnell is looking at Justin Bieber’s girlfriend Seleena Gomez to play a young Charlotte in the series’s prequel called The Carrie Diaries. Justin Bieber’s gal pal girlfriend would be perfect for the role made famous by actress Kristin Davis in Sex and the City on HBO and two movies.