By Jon Boon - Breaking Celebrity News Reporter

Robert Pattinson’s protective sisters have told the Twilight star: “Don’t even think about getting back together with Kristen Stewart!” Breaking Celebrity News is exclusively reporting.

Both Lizzy and Victoria Pattinson warned their brother of the old adage, ‘once a cheater, always a cheater’ telling him he would be foolish to let Kristen back into his life.

They think he should embrace single life and concentrate on his career, and forget about getting into another serious relationship.

“Robert’s sisters were fuming with Kristen for hurting their brother in the way she did,” a source revealed.

“Lizzy and Victoria feel terrible for heartbroken Robert, especially because of the embarrassment that was caused by the manner in w