Ben Affleck goes shopping with daughter Seraphina and stepchild Emme - after hosting festive Christmas party with Jennifer Lopez

Jennifer Lopez and Ben Affleck host festive Christmas party at their home - 'with Margot Robbie and Michael B. Jordan in attendance'

Ben Affleck spins a basketball on his finger while taking son Samuel, 11, to a game in LA

Jennifer Lopez goes incognito in large designer sunglasses as she does last-minute Christmas shopping in Beverly Hills