Selena Gomezs interview is part ofTIME Firsts, a multimedia project featuring 46 groundbreaking women.
Watch the rest of the videos atTime.com/Firsts.
Buy the book at theTIME Shop.

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She was 16 [when she gave birth to me], so we kind of grew up together.
Everything that I am has become a little bit of what my moms gone through.
Strength doesnt mean that you have to put on a facade.
I think strength is being vulnerable.
Watch more of Gomezs TIME Firsts profile in the video above.