First, as they talked about winning, the gymnast quipped, "It's definitely sunk in now."
Of course, Jay joked and asked how she got through the medal detector at the airport while he and another guest, first lady Michelle Obama, admired her new hardware.
When asked if the experience lived up to her dreams, Gabby explained, "It's different in a better way." Plus, there are perks to the medal — like chatting with Jay and the first lady!
After admitting that she splurged on an Egg McMuffin at McDonald's, Michelle chimed in, in accordance with her healthy eating initiative: "I'm sure it was on a whole-wheat muffin," adding, "You're setting me back, Gabby."
As for meeting Kate, Gabby beamed, "It was definitely an exciting experience." She said the duchess approached the team and congratulated them. The 16-year-old pointed out, "My teammate Aly Raisman told her, 'I like your fashion,' and Kate said, "I like your leos.'"
Catch the interview over at NBC!