It's hard to believe that the first episode of Gilmore Girls aired 15 years ago this month! Especially since we make it a point to rewatch the series all the time on Netflix – which makes the characters ageless in our minds.

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Of course, that's not the case. Since the show debuted in 2000, the cast has been busy with new projects and yes, they've all gotten older. Click through the gallery to see then-and-now photos of the actors' very first red carpet photos compared to now.