Johansson is joining Bush Hager as a guest co-host for the week, and PEOPLE was there for an exclusive behind the scenes look

TODAY's Jenna Bush Hager and guest co-host Scarlett Johansson open up about what it was like growing up with names that were unusual at the time and what it’s been like to see their names gain popularity through the years.

Jenna Bush Hager is doing a bit too much of talking on the Today Show. The 43-year-old has made it clear to viewers that she is not a fan of wearing underwear, and her co-hosts want her to cool it, Knewz.