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They're All Grown Up!See What Celebrities’ Younger Siblings Look Like Now

It's pretty insane how quickly kids grow up!

It seems like yesterday when Miley Cyrus's younger sister Noah was 10-years-old and posing in photos with her big sis. Now, she's a teenager and a spitting image of her 22-year-old sister.

Click through the gallery to see more celebrity siblings who seemed to grow up in the blink of an eye.