Billie Eilish Thinks People Will Take Normal Life for Granted Again Post–Social Distancing not uncommon for presidential approval ratings to rise post-office But on her sixteenth birthday everything changed. The fog no one else could see? The random downpours that only hit her family? The dead bodies with the silver markings? All the work of witches. And if she could see these things, that meant Iris carried the Hunter gene, just like her father and her older brother Knox. "I couldn't be more grateful today, thinking back on how much fun we've had and how you've encouraged me to change and grow,” she wrote in the caption, addressing her fans directly. "It's been such an adventure, guys. Thank you for all of it."