Robert Pattinson isn't only heartbroken over his girlfriend Kristen Stewart cheating on him, he's curious about what really happened and RadarOnline.com has exclusively learned he wants to go straight to the source, Rupert Sanders.It's a pretty sordid deal all around.
Devastated after photos were released late Tuesday night revealing that Kristen, 22, had an affair with the married director, 41, Rob moved out of the Los Feliz home he once shared with Kristen on Thursday.
"Rob wants to have a man to man chat with Rupert to find out exactly what happened between him and Kristen," a source close to the Twilight star exclusively told RadarOnline.com.
See also Daily Mail, "Kristen Stewart 'to write Rupert Sanders' wife Liberty Ross letter of apology' for 'momentary indiscretion' with director husband," and "Not so sweet and innocent: How Kristen Stewart 'took Rupert Sanders's young daughter for ice cream TWO months ago'."
PHOTO CREDIT: Wikimedia Commons.