Tori Spelling and Jennie Garth

It's been nearly 20 years since Jennie Garth and Tori Spelling first appeared on Beverly Hills, 90210, but according to the longtime pals, working together on the new 90210 feels just like old times.

"It just feels like it never stopped," Garth said on the red carpet for The Heart Truth's Red Dress Collection 2009 fashion show in New York City. "But it's not like we're living in yesterday; it's just our lives kept evolving, and here we are again."

Spelling, who walked the red carpet with Garth, has just wrapped her reprise of the Donna Martin character for the CW series. "I've been having a really good time. I've been getting to work with Jennie everyday, and the new cast is great," said Spelling. Donna is reportedly still married to David, but is torn between joining him in Japan, where he works, and opening a clothing boutique in Beverly Hills.

But there is one downside in playing Donna at this point in Spelling's life. "I hate leaving my kids. When I do my show, I get to be with them, so that's the one thing I don't get to do."

All and all, the two couldn't be more thrilled about their West Bev reunion. "We have a great time. We're too silly sometimes," said Garth. "But we have so many things to talk about and have a lot in common now. It's like girlfriends."

What do you think of the Donna-Kelly reunion? Which other alums should board the 90210 nostalgia train?