 Us Magazine | Kristen Stewart's Apology to Robert Pattinson for Cheating People Magazine By Alison Schwartz and Julie Jordan Kristen Stewart is issuing a public apology for hurting her boyfriend of three years, Robert Pattinson, by having a fling with her Snow White and the Huntsman director, Rupert Sanders. "I'm deeply sorry for the hurt ... Kristen Stewart cheats on Robert Pattinson? Rupert Sanders' wife tweets 'Wow' as story about Sanders' affair with Kristen ... Kristen Stewart and Robert Pattinson: Dating in the spotlight |