updated 07/26/2012 AT 7:00 PM ET
•originally published 07/26/2012 AT 9:00 PM ET
After their smoldering chemistry in the Twilight films, Kristen Stewart and Robert Pattinson confounded their fans and bewildered prying reporters by keeping their real-life relationship cloaked in secrecy for as long as possible.
So it was Stewart’s gut-wrenching apology to Pattinson, punctuated by her double “I love him, I love him,” that shocked in its bare expression of emotion nearly as much as her admission of a fling with Rupert Sanders, the married director of Snow White and the Huntsman.
So how did Stewart, 22, go from private love to public pain? And were there any signs along the way? Here’s a timeline of the key events leading up to the cheating scandal: