Tonight Show With Jimmy Fallon March 7, 2020 3:52 am ‘Tonight': Fittest of the Fit Challenge With Carrie Underwood Carrie Underwood and Jimmy Fallon compete against each other in a series of exercise games to determine who is the fittest of the fit. Local 0:57 Liam Payne fans in Argentina gather to mourn One Direction star 6:20 Paris Hilton reveals son Phoenix is saying her and Nicole Richie's iconic catchphrase 5:37 Jennifer Garner and more celebrities get emotional over sending their kids to college 1:07 Constance Marie shares the biggest business lesson she's learned as an actress 2:17 Meghan Markle brings smiles as she reads and sings along with kids at children's hospital
