Each year, a new crop of movies turn 30 and remind us all just how old we’re getting. Sigh. This year, films like Dirty Dancing, Spaceballs, The Princess Bride, and Wall Street have the honor of joining cinema's thirty-something club. So without further ado, check out our list of the best and most famous films who turn the big 3-0 this year. And no worries — you're not that old.