Books in the Heart of the City series

Heart Lamarr is a girl with big dreams who lives in Philadelphia with her single mom. She has her sights set on a life of theater, but she runs into plenty of drama off-stage, too. Luckily, her best friends Dean, Kat, and Charlotte form a stellar supporting cast to help Heart navigate the challenging world of school plays, cliques, rumors, and everything else middle school throws at them.