Katie Couric to guest-host 'Good Morning America'

Katie Couric is returning to mornings for one week, and "Good Morning America" has a sneak peek at what her guest-hosting stint will look like.

As its ratings battle with "Today" reaches a fever pitch, "Good Morning America" is deploying a former morning show queen who will really irk its rival: Katie Couric. The former "Today" star will be co-hosting the ABC morning

12, 2012 photo, former "Today" show hosts Katie Couric attends the "Today" show 60th anniversary celebration at the Edison Ballroom in New York. ABC announced Thursday, March 29, 2012, that the former "Today" show anchor will be guest-hosting "Good

Katie Couric is returning to morning TV, for a week anyway. But what's got people raising their eyebrows is where she's doing it — ABC's "Good Morning America." Couric, who has a deal with Disney-ABC Domestic Television for a daytime talk show called

Katie Couric, who spent 15 years on NBC's "Today" show, will sit in for Robin Roberts on ABC's "Good Morning America" next week. "We're thrilled to have Katie," Roberts said, announcing the news on air Thursday morning. It will be Couric's first time