"I thought about changing her birthday because it's the day before mine and so it just ruins mine every year. I thought it was just so serendipitous and wonderful that this child was coming to me and her birthday is the day before mine and then I woke up one day and went, 'Wait a minute, I've just totally forgone my birthday for the rest of my life.'" Actress Katherine Heigl jokes about changing her adopted daughter's birthday.