By Meghan Blalock
Updated Aug 10, 2012 @ 2:00 pm
Beverly Hills 90210 Cast
Credit: Everett

Did your mouth drop when you saw the cast of Beverly Hills, 90210 back on TV? Old Navy recruited Jennie Garth, Luke Perry, Jason Priestley, and Gabrielle Carteris from the original '90s show for its new fall campaign, giving anyone who loved the hit a little thrill every time it comes on the air. And the cast sure grew up from when the show started in 1990! Click through the gallery to see the all of 90210s leading stars then and now.