Katherine Schwarzenegger says she hired a coach to teach her how to step-parent Chris Pratt's son

Katherine Schwarzenegger says she hired a coach to teach her how to step-parent Chris Pratt's son

Katherine Schwarzenegger says she hired a coach to help her prepare to be a stepparent to Chris Pratt's son.JB Lacroix/FilmMagicKatherine Schwarzenegger says she hired a coach to prepare for her role as a stepmom to Chris Pratt's son."It's a confusing thing to navigate where you fit in," Schwarzenegger said of the stepparent dynamic.Pratt added that stepparents often "don't end up getting the credit" they deserve.Before Katherine Schwarzenegger …