Some of these fans camped overnight to try to get a glimpse of the stars at Thursday's premiere in London.
But lots of them weren't happy because the main actors, Robert Pattinson, Kristen Stewart and Taylor Lautner, didn't show up!
Robert said he was too busy working on another film, so fans had to make do with the other stars from the series.
Here's Ashley Greene who plays vampire Alice Cullen.
Joe Jonas from the Jonas Brothers arrived with Nikki Reed who plays vampire Rosalie Hale.
Alex Meraz plays the hot-tempered werewolf Paul in New Moon and Eclipse.
Australian actor Xavier Samuel signed autographs for fans. He plays Riley in the new Twilight film.
TV presenter Holly Willoughby was among the celebs who turned up to see the film.
Singer Paloma Faith has her photo taken with fans, carrying a strange box... but what's in it Paloma?
Twilight fan Kelly Rowland also hit the red carpet for the event. Eclipse is released across the UK on July 9.