You Won’t Believe How Grown Up the This Is Us Kids Look

Mackenzie, who was only 9 years old when This Is Us started airing, will celebrate her 15th birthday in August. Meanwhile, Parker is 15 and Lonnie is now 14 years old and will turn 15 in November.

The young Pearsons being able to drive is not something we’re ready to deal with—but here we are.

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