It's the end of an era! A decade has passed since the first ever Harry Potter movie premiered on November 4th 2001. JK Rowling's brilliant books and movie adaptions have entertained people all over the world, and even though they will continue to do so, this is the one and only big finale. The world premiere of "Harry Potter and the Deathly Hallows: Part 2" was held at Trafalgar Square in London today (July 7th) and over 18 000 excited fans showed up to show their support, catch a glimpse of the actors and take farewell of their favorite saga. Watch it all go down in the gallery above!