From their start as child actors on the Disney Channel to their days studying in college – and even recently graduating NYU! – the guys have always found a way to coordinate their styles at red carpet events or big occasions. In honor of their birthdays today, we're looking back at just how much they have grown up and changed over the years.
Click through the gallery to watch the twins grow up right before your eyes. Then, make sure to wish the guys the happiest of birthdays by leaving a comment below!