Brandon Walsh returns: '90210' alums shill for Old Navy

While you were watching the Olympics last weekend, you might've caught a new Old Navy commercial featuring familiar faces from the '90s.

The chain's latest ad campaign features Beverly Hills, 90210 alum Jason Priestley, along with a brief appearance by Gabrielle Carteris. Old Navy hopped on the retro bandwagon a while ago, using folks like Mr. T and Blossom stars Joey Lawrence and Mayim Bialik in...