The celebrity news program will kick off the season Monday from MTV’s Video Music Awards in Las Vegas.
O’Dell and Bush will resume their in-studio co-host duties Tuesday.
This marks the first time they have worked together since O’Dell went on maternity leave in late May.
Although she doesn’t officially start work until next week, O'Dell broke the story about Halle Berry’s pregnancy this week.
Notable deaths of 2014 [PHOTOS]