Gretchen Berg and Aaron Harberts have been tapped to serve as executive producers/showrunners on the newly picked up ABC dramedy Good Christian Belles (form. Good Christian Bitches). The gig falls under the duo’s overall deal with ABC Studios. GCB, based on Kim Gatlin’s book, centers on Amanda (Leslie Bibb), onetime “mean girl” in high school who returns home hoping to get a second chance at winning over her old classmates. Berg and Harberts will exec produce alongside the pilot’s writer Robert Harling, Darren Star and Aaron Kaplan. ICM-repped Berg and Harberts most recently worked as executive producers on ABC/ABC Studios’ medical drama Off the Map this past season.They previously served as executive producers/co-showrunners on the NBC medical drama Mercy, as co-exec producers on the ABC dramedy Pushing Daisies and created/executive produced the WB dramedy Pepper Dennis.