Robert Pattinson breaking his silence

Photo: Andreas Rentz

Robert Pattison has gone radio silent in the wake of Kristen Stewart's cheating scandal.

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But now the "Twilight" star is set to break his silence on Aug. 15 when he speaks to "Good Morning America" in his first televised interview since it was revealed that Kristen had an affair with her "Snow White and The Huntsman" director Rupert Sanders.

VIDEO - Watch Robert's "Cosmopolis" Trailer has confirmed that he will promote "Cosmopolis"on the morning show in a live segment as well as attend the film's NYC premiere on Aug. 13, but it's presumed he'll bypass all impromptu red carpet interviews. The "Cosmopolis" junket remains scrapped after Pattinson pulled out, as ETonline first reported.