Kristen Stewart and Robert Pattinson are apparently on the rocks after claims she cheated on him with a man twice her age. Report by Katie Lamborn. More on The K-Stew Affair: Kristen Stewart and Rupert Sanders share an intimate moment: youtu.be Interview with Rupert Sanders: youtu.be Kristen & Rupert at the Snow White and the Huntsman premiere: youtu.be Subscribe to The Showbiz 411! www.youtube.com Like us on Facebook: facebook.com Follow us on Twitter: twitter.com