"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

Get ready for "Today With Jenna & Friends." The new year means that Today co-anchor Hoda Kotb's days on the air are dwindling — and now we know who's stepping in to replace her on Hoda & Jenna. On Monday,

Jenna Bush Hager isn't in any rush to find a permanent replacement for Hoda Kotb on the fourth hour of Today. The TV personality, 43, teased what fans can expect from the revamped version of Today With Hoda & Jenna,

Hoda Kotb began her journalism career at NBC in 1998, when she was hired as a Dateline correspondent and reporter. The TV broadcaster pivoted away from covering major world events in September 2007 when she joined Today as host of the show's fourth-hour slot at 10 a.m.