(USA Today) -- How did this happen? On July 4, Malia Obama turns a very Sweet 16. It seems like just yesterday she was the adorable 10-year-old girl calling out, "I love you Daddy," as our future president appeared on a huge video screen at the 2008 Democratic National Convention. Well, good for us, we can show you exactly how it happened — right before our eyes. Check out these photos of Malia through the years.