We're going to see Brad Pitt, age 44, go through some incredible reverse aging this December. That's when his new movie comes out - The Curious Case of Benjamin Button. Here Pitt portrays someone who suffers from a rare reverse-aging condition.

Co-star Tilda Swinton says it's going to be amazing to watch this. She told People magazine the technology is extraordinary.

See the real Brad Pitt at age 25 on video here.