It's been nearly a decade since we first met the Gilmore girls, but looking at Lauren Graham and Alexis Bledel, it's hard to tell any time has passed.
"Alexis hasn't started aging yet," Graham, 49, jokes with PEOPLE in its World's Most Beautiful special issue.
"I certainly have!" retorts Bledel, 34, with a smile.
For more from Graham and Bledel, pick up the World's Most Beautiful issue of PEOPLE, on newsstands now
Turns out the secret to staying youthful is pretty simple for the onscreen mother-daughter duo, who are reprising their roles in Netflix's upcoming reboot of the beloved show.
Bledel has been getting facials from Brigitte Beasse of Brigitte Beauté since she was a teen on the series, and Graham has "always been a huge sunblock person my whole life," she says.
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The Parenthood alum also never sleeps with her makeup on, and gets frequent facials.
"I do use as much natural stuff as I can. I keep a jar of coconut oil in the shower and use that as moisturizer," says Graham.
Taking care of her body is also something Bledel learned from Graham, who works out five times a week.
"Lauren's always been very healthy and worked out and took great care of herself, so I certainly try to do that when I can manage it," says Bledel.