Christiane Amanpour is leaving ABC’s "This Week," ABC News has announced.

As previously reported, the move was expected.

George Stephanopoulos, who moderated ABC News’ “This Week” from September 2002 to January 2010, willl return to his "This Week" chair on Jan. 8, 2012. He will also continue as the anchor of "Good Morning America."

Amanpour will become the Global Affairs anchor across all ABC News platforms effective immediately, ABC News said.

It was also announced that Amanpour will now host a weekday show to air on CNN International.