Nancy Reagan
Former First Lady Nancy Reagan was adopted by her stepfather when she was eight, but it was a long road to get there. She was the daughter of a car salesman named Kenneth Seymour Robbins and Edith Prescott Luckett, a famous actress. Her grandmother was a silent film star, Alla Nazimova. She lived with various family members until her mother found a suitable husband who would adopt her daughter.
Michael Bay
Michael Bay was given up to an adoption agency as a newborn and has never met, heard from, or sought out his birth parents. He was adopted into the Bay family by Harriet and Jim Bay. His mother worked as a child psychiatrist and owned a bookstore while his father was a Certified Public Accountant. He was raised Jewish.