That's what I read in the last interview she gave to Celebrity Baby Blog, where she talks about their kids, her new pilot and life.
But i'll remark what I think is most important for us:
CBB: Speaking of Charmed, is there a reunion in the works?
HMC: If the script was right, and all the girls were available, we'd absolutely do one.
CBB: So you all still talk?
HMC: Yes! Rose [McGowan] and I went to lunch after I had Riley, and she asked if I was still working out regularly. I said, "Are you kidding me?!" So Rose sent me her trainer! Only a really good girlfriend would do that. She pointed out my wrinkles, too; as you can see, she's almost like a sister! Alyssa [Milano] lives in the neighborhood, so I see her out a lot. Shannen [Doherty] I speak to every two or three months; we call to check up on each other. It's nice -- we all spent a very large chunk of our 20s together, and we basically grew up together. We did have a good time on the show, despite all the rumors.
I know it's a long shot for a Charmed Reunion, but hey we can dream right?
Source: Celebrity Baby Blog
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