The Beverly Hills ladies (and Andy!) star in the pop queen's sexy "G.U.Y." video.
Find out what designers the ladies are wearing this year.
The RHOBH star also says she's closest with Kim Richards.
Kim Richards thanks the fans for making this season amazing and for their support in her time of need.
The three-part special kicks off March 17 at 9/8c.
Kim discusses sending her baby off to college and what she loved about the ladies' trip to Puerto Rico.
"It just felt wonderful, very important" she says of sharing her struggle with fans.
Kim wonders if she should start acting again -- and if Carlton really did cast that spell on Joyce.
Plus: Find out what Jimmy McNichol, Ami Dolenz and more are doing now.