We will never not be stunned at how fast some of our favorite celebs’s children grow up in the blink of an eye and become adults in their own right. From Sasha Obama’s college look to these recent pics of Tim McGraw & Faith Hill’s daughters on vacation we’re in awe of how fast time flies. The dream couple’s daughters: Gracie, Maggie, and Audrey; have all been enjoying their tropical vacay and sharing some snaps of themselves on Instagram, and honestly they’re thriving and look amazing.