Happy Birthday, Emma Watson! Emma Charlotte Duerre Watson br turns 30 years old today. Here are five br fun facts about br the actress. 1. Her role as br Hermione Granger br was her professional br acting debut. 2. She was appointed UN Women Goodwill Ambassador in July 2014. 3. Watson hid books around the New York subways. 4. She is also br a model. 5. Her favorite ‘Harry Potter’ novel is br ‘Harry Potter and the Prisoner of Azkaban.