"Twilight" fans: prepare to feel old. 

Mackenzie Foy, recognized by many people as Baby Renesmee Cullen (the daughter of Edward and Bella from "The Twilight Saga: Breaking Dawn Part 2"), is all grown up! 

In the "Twilight" movie the child star was only 10-years-old. Foy was born in 2000, which means she's been a teenager for years (shes 15 now).

This is what she looks like now:

Since filming "Twilight" Foy was in a number of films including "The Conjuring" (2013) and "Black Eyed Dog" (2014).

She is currently filming a new movie called "The Great Wall," which tells the story of a mystery centered around the construction of the Great Wall of China. The movie is set to be released in 2016.