David Muir and Deborah Roberts bid an emotional farewell on Friday when they revealed a big change to their 20/20 show.

David Muir has been good friends with Kelly Ripa ... This included footage of Kelly running outside while pulling along her husband Mark Consuelos. She wrote: "Congratulations to all the @ ...

Heidi Gutman/ABC News David Muir is the anchor and managing editor of ABC World News Tonight with David Muir, the most-watched newscast in the U.S., and co-anchor of ABC’s 20/20. Muir’s ...