Derek Hough, Jonah Hill, Jerry O'Connell and Josh Groban will serve as guest co-hosts opposite Kelly Ripa on 'Live! With Kelly.'

O'Connell will appear this Friday, Nov. 25. Guests include Jane Lynch and Nathan Fillion. O'Connell has guest hosted with Ripa in the past.

Hough, who lost 'Dancing With the Stars' to Karina Smirnoff and J.R. Martinez, will serve as co-host on Mon., Dec. 5. He'll interview Paula Dee, Elizabeth Olsen and Jeffrey Donovan with Ripa. Hill will guest co-host on Tues., Dec. 6 and interview Sarah Jessica Parker, Emily VanCamp and Richard Blais. This is the first time Hough and Hill will serve as guest co-hosts.

Groban, who has served as guest co-host before, will sit alongside Ripa Dec. 7-9. Over his couple of days on the show, Groban will interview Zac Efron, Anne Burrell, Charlize Theron, Abigail Breslin, Michael Symon and Cody Simpson.

Hough told AOL TV he anticipates his guest co-hosting gig to be "a lot of fun."

"Regis has always been a huge supporter of mine, and I always have a good time on the show," he said.

In other 'Live! With Kelly' news, the show goes on the road to Aulani, a Disney Resort & Spa, Ko Olina, Hawaii this winter. The series will broadcast five shows airing Feb. 20-24, 2012.