Jenna Bush Hager already has an impressive roster of celebrities slated to guest cohost Today With Jenna & Friends and she just added another superstar to the list! On Tuesday Jenna, 43, announced that Scarlett Johansson will serve as a guest cohost on the show from January 21 through January 24.

Beginning Jan. 10, Craig Melvin will replace Kotb to co-anchor the 7 a.m. to 9 a.m. slot of “Today” alongside Savannah Guthrie. Melvin, who has been at NBC News for over a decade, currently co-anchors the 9 a.m. hour.

Jenna Bush Hager announced that Marvel star Scarlett Johansson will join her at the Today With Jenna & Friends desk beginning Jan. 21 to guest host after Hoda Kotb exits the morning show.

Black Widow star Scarlett Johansson will guest host the fourth hour of NBC’s flagship morning show Today beginning Tuesday, Jan. 21. That will come little more than a week after longtime co-host Hoda Kotb leaves on Jan.

"The fact that she's coming to give us a week of her time — she could be doing anything — is a testament to the show that we have built," Bush Hager exclusively tells PEOPLE

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.

Scarlett Johansson will appear as a guest co-host on “Today With Jenna & Friends” on NBC, beginning Jan. 21. Jenna Bush Hager shared the news about Johansson’s week-long gig with People magazine.

As Hoda Kotb bids farewell to Today, Jenna Bush Hager is starting a new era of the NBC morning show's fourth hour. Following Kotb's final episode on Friday, January 10, Today With Hoda & Jenna will be revamped into Today With Jenna & Friends.