Actor Robert Pattinson will reportedly join ex-girlfriend Kristen Stewart on the red carpet of "Breaking Dawn: Part 2" premiere. According to a report in Times of India.

Stewart cheated on Pattinson after being in a relationship for three years. But he wants to save her from the embarrassment of walking alone after the scandal.

"He's told movie bosses he'll walk the red carpet to save her from embarrassment and any female fans booing her," thesun.co.uk quoted a source as saying.

"He is being professional and taking the higher moral ground," the source added.

Stewart was caught cheating with her "Snow White And The Huntsman" director Rupert Sanders.

Pattinson, Stewart met on sets of movie "Twilight" in 2008.