Today is a special day for one of your favorite Twilight actors: it's Robert Pattinson's 29th birthday! We can't believe how much the actor has grown up since the movie franchise first began in 2008! In honor of his big day, we decided to look back on how much the entire cast's red carpet styles have developed over the years.
Click through the gallery to see how much each actor from the movie has grown up since the film debuted. Then, make sure to wish Rob a happy birthday in the comments below!