We spoke to 'Twilight' super fan Elaine (AKA 'Twi-Mum') for all the fun facts and trivia from the cultural phenomenon.
From the number of actors that auditioned for Edward to how many buttons are on Bella's iconic wedding dress, the 'Twi-Mum' leaves no stone unturned.
160,000 wisteria blossoms were used at the altar for the wedding scene.
Someone needed nimble fingers to do up Bella's wedding gown which had 152 buttons down the back and 17 on each arm, that's 186 in total.
The 'Twilight Saga' movie page on Facebook has over 35.5 million likes, that's over 3 million more than re-elected US President, Barack Obama.
In the first 'Twilight' movie it was a chilly 22 degrees Fahrenheit outside when they filmed the prom scene. That's 5.5 below zero in Celsius. Who says Hollywood is all glamour?
Nearly 5000 actors auditioned to play Edward Cullen, including Jamie Campbell Bower who went on to play Volturi member Caius.
The 'Twilight Saga' franchise has won 41 teen choice awards, the most for any movie series.
There were over 1400 special effects in 'The Twilight Saga: Breaking Dawn Part 1', many of which were used to make Bella's baby bump.
On this year's 'Forbes 15 Richest Movie characters list', Dr Carlisle Cullen came in at #3 with an estimated worth of $36.3 billion.
On July 24 2008 6500 fans went to the San Diego Comic Con for the afternoon panel with Stephenie Meyer, Catherine Hardwicke, Kristen Stewart, Robert Pattinson, Taylor Lautner and other cast members - 4 months before the release of the first movie.
Peter Facinelli jokes that he 'bought' his role as Carlisle Cullen for $29.95. After originally losing out on the role to another actor, Peter bought a book about vampires which he sent to director Catherine Hardwicke. When the other actor pulled out, Catherine looked at the book and said, 'Let's hire Peter'!