Rosario Dawson Gallery
Though Rosario Dawson's acting career started at age 15 in the racy '90s movie Kids, the actress revealed to The Huffington Post that she sustained from sex as a teenager. "I didn't even have sex until I was 20," she confessed. "My mom was a teenage mom. I was deathly afraid of being a teenage mom." Rosario isn't the only actress in Hollywood to wait a bit to have sex. From Jessica Simpson waiting until marriage to Lena Dunham writing a newspaper for sex advice, here's a few more stars who've waited.