Friendships have been tested in the wake of Danielle Staub’s hair-yanking incident with Margaret Josephs, 52, and we’ve learned if the drama has affected their co-stars’ decision to return to The Real Housewives of New Jersey. “All of the ladies except for Danielle will be back for Season 11 which will begin filming right away, as early as next week,” a source EXCLUSIVELY reveals to HollywoodLife! “Production wants to keep the momentum going of what’s going on in everyone’s lives.