A friend of the Twilight actor says: "Robert hoped to marry Kristen and was making preparations to spring a proposal before she admitted cheating."
[Related article: Kristen Stewart cheats on Robert Pattinson]
[Related article: Lady Gaga wades in on Kristen Stewart cheating scandal]
Robert is now said to be devastated and has moved out of the Hollywood home they shared together.
The source says: "Now Rob is angry — he's left the mansion and not spoken to her since. They have exchanged heated text messages only."
For those who have been living under a Twilight duvet cover for the past week, it emerged on Monday that Kristen cheated on Rob twice with married director Rupert Sanders.
Who just happened to be married to Kristen's former costar Liberty Ross, who previously said Kristen was 'transfixing'. Awkward.
Everyone was unsure how true the claims were until the world seemed to actually explode when Kristen released a statement admitting it and then apologizing, saying 'I love him, I love him, I'm sorry'.
The world then went mad, with everyone having a say on what should happen next.
Liberty Ross is believed to have forgiven her husband Rupert, however Robert has kept quiet although he has moved out of their home.
He is extremely private and is reported to be devastated Kristen would take talk about, let alone defend their relationship in public.
So what should Rob do?
We've thought about it so much we even had a dream about K-Stew (FYI he took her back). People are literally talking about it everywhere — from tubes to hairdressers to nightclub toilets.
We even heard the train conductor talking about it a Euston station.
He reckons Rob should give her another chance.