Today is Mackenzie Foy's 16th birthday! The Twilight actress is well-known for playing Bella Swan and Edward Cullen's daughter Renesmee Cullen in The Twilight Saga: Breaking Dawn – Part 2, and she's totally transformed today.

In fact, you'll be seeing a lot more of Mackenzie very soon. The actress was recently cast as the lead in Disney's upcoming retelling of The Nutcracker — and you may not have recognized her if you just saw her today.

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Click through the gallery to see photos of Mackenzie now. Can you believe her transformation?