Jamie Lee Curtis and her husband, Christopher Guest, are grieving the loss of director Rob Reiner and his wife, Michele Singer Reiner. "Christopher and I are numb and sad and shocked about the violent, tragic deaths of our dear friends Rob and Michele Singer Reiner and our ONLY focus and care right now is for their children and immediate families and we will offer all support possible to help them," Curtis, 67, said in a statement to Us Weekly on Monday, December 15.