The 26-year-old actor will appear with Stewart, who cheated on him with married "Snow White and the Huntsman" director Rupert Sanders, at the international premieres of the final "Twilight Saga" film because he wants to prove he can overlook her actions for the sake of his fans, reported Contactmusic.
"It's a purely business decision. He's keen to make sure fans and Hollywood see he can be professional when it comes to Kristen," a source said.
However, Pattinson is still refusing to discuss the 22-year-old brunette beauty in interviews and wants to keep all press relevant to the film.
The couple were dating each other since 2008 after meeting on the sets of the vampire franchise.
