Rob Pattinson devastated after Kristen Stewart's cheated on him!

Robert Pattinson is reportedly very upset and devastated ever since the news of his longtime girlfriend Kristen Stewart's cheating came up last week. Soon after Stewart's public apology, Rob apparently went 80 miles away to the secluded confines of good friend Reese Witherspoon's 7-acre compound in Ojai, Calif. A US magazine has also reported that Robert has cancelled an upcoming press appearance for his film Cosmopolis.

When Kristen Stewart publicly accepted that she had a short fling with married director Rupert Sanders after US Weekly published pictures of her locking lips with Sanders, Rob was very upset that he had to know this from outsiders and Kristen did not bother to talk to him about the alleged betrayal.

Soon after her pictures with Rupert was out in the media, Kristen said in a statement last Wednesday, "This momentary indiscretion has jeopardized the most important thing in my life, the person I love and respect the most, Rob. I love him, I love him, I'm so sorry."

Speaking to a leading US Weekly about Robert Pattinson's reaction. A source said, "He read it online and was livid that Kristen is out there giving a statement and he's the last person to know about it."

Rumours are abuzz that Pattinson is trying to get over the 'hurt' by partying with friends in his hometown of London.

Entertainment Tonight also recently revealed that 26-year-old Robert Pattinson is uncomfortable to face the press after his girlfriend's "momentary indiscretion" and decided to evade the media as of now. However, the actors Public Relations representative dismissed it as rumour and told Gossip Cop, "No confirmed engagements have been cancelled. Any reports to the contrary are inaccurate."

Well, let's hope that Robert Pattinson soon finds the strength to cope with the betrayal!