(CBS NEWS) - Ian Ziering taking his shirt off in Las Vegas is apparently a great excuse to celebrate -- and a reason to get the old "Beverly Hills, 90210" gang (at least part of the crew) back together.

Since the beginning of June, Ziering has been doing a guest-spot in Las Vegas' Chippendales show at the Rio All-Suite Hotel and Casino, And on Sunday, he got visit from his former "Beverly Hills, 90210" co-stars Shannon Doherty, 42, and Jennie Garth, 41.

The gals tweeted about their mini-reunion -- and appeared to be having a blast. And might we add, they all look pretty great. See a photo of all three here. Both Garth and Doherty posted pictures from their trip to Sin City:

https://twitter.com/jenniegarth/statuses/351519103342751746

https://twitter.com/jenniegarth/statuses/351562445971664896

https://twitter.com/DohertyShannen/statuses/351756531013926913

Check out the video above to hear how Ziering's wife reacted when she found out about Chippendales.

Read more at CBSNews.com

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