Hollywood's Hottest Hunks at 50

With some of Hollywood's hottest hunks hitting—or just about to hit—the milestone age of 50, ET takes a look back at our first encounters with the handsome stars.

Although you might not know it from looking at them, Johnny Depp and John Stamos are already 50 years old and Brad Pitt, Russell Crowe, Rob Lowe, and Keanu Reeves will soon join them, which makes it all the more intriguing to flash back to when they were in their twenties.

Check out the video above to see how much these stars have changed from their first ET interview to now!