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Photo: Reese Witherspoon's daughter Ava looks like her twin

Reese Witherspoon arrives at the Oscars on Feb. 22, 2015, at the Dolby Theatre in Los Angeles.

Chris Pizzello/Invision/AP

Reese Witherspoon wished her daughter Ava Phillippe happy birthday on Instagram, and while we hope Ava has a wonderful sweet 16, all we can think about is how much she looks like her mom.

"Wow!" wrote Witherspoon. "My sweet girl turns 16 today! I am so blessed to have such a kind, compassionate, brilliant, artistic, all-around wonderful daughter who makes me a better person everyday. I love you @avaphillippe"

Phillippe, daughter of Ryan Phillippe, looks so much like Witherspoon that it would be easy to mistake the picture for a snapshot from the actress' past. We certainly did a double-take when we saw the picture.

Phillippe definitely inherited Witherspoon's round blue eyes and prominent chin. Hopefully, she also inherited her mom's sense of style, too.

Considering how well Witherspoon is aging, we imagine the two get mistaken for sisters from time to time.

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