"It could be a possibility, or it could be nothing, so we'll see," Duff, now 31, told "ET" last week, adding that "it's definitely not a go."
"I don't want to get everyone wild talking about it," she said.
But Duff said she's "excited" by the idea of a revival.
"I think she was so important to girls at an important time in their life," Duff told "ET." "If she could be important to them again at this age, I think that would be amazing."
The mother of two also said there have "been lots of conversations about" where her character would be today.
"I don't think she's a mom yet, but she might be getting there soon," Duff said.
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