Happy 34th birthday, Joseph Gordon-Levitt! The newlywed, who tied the knot over the holidays, grew up right before our eyes. The young actor who started off in small screen hits such as Roseanne and 3rd Rock from the Sun has come a long way. With a seamless transition from child star to accomplished producer, he is now best known for his roles in 10 Things I Hate About You, Inception, and The Dark Knight Rises, as well as Don Jon, which was released by HitRecord, his own collaborative production company. What's next for Gordon-Levitt? This fall we get to see him channel high-wire artist Phillipe Petit in The Walk. Ahead, take a look at the star's journey through the years.