After a weeklong "Hoda-bration," Hoda Kotb's final day on 'Today' will be Jan. 10. Kotb's fourth-hour co-host, Jenna Bush Hager, also tells PEOPLE what she will miss most about working with her.

Jenna Bush Hager is gearing up for what's sure to be nothing less than a bittersweet day—her TV debut without her regular Today co-host, Hoda Kotb —with a sneak peek at what's to come.

Three powerhouse women are stepping into Hoda Kotb’s shoes after the longtime talk show host’s upcoming exit from the Today show. Hoda’s Today With Hoda & Jenna co-host, Jenna Bush Hager, announced the first few celebrity guests who will be joining her in the morning show’s fourth hour beginning on January 13.

Today with Jenna & Friends' will begin on Jan. 13 and will feature a rotating roster of co-hosts until someone permanent is named Jenna Bush Hager will have some new faces joining her as co-host of the Today show once Hoda Kotb makes her exit later this week — and the list is star-studded!

With Hoda Kotb preparing to exit Today in just a few days, Jenna Bush Hager is revealing the identity of her very first guest co-host on Today with Jenna & Friends. As Bush Hager told People, Scarlett Johansson will be joining her on the morning broadcast beginning Tuesday,