Jimmy thanks Jay for "being nothing but gracious and generous to me over the past years"
Jimmy Fallon, who will debut as the new host of The Tonight Show on Feb. 17, appeared as a guest on the show for a “passing of the torch” interview with Jay Leno. Fallon called Leno “the nicest guy in the business” and promised to make him proud every night.
This week marks Leno’s last week of hosting The Tonight Show, after more than 20 years on air. The remaining guests for the week include Matthew McConaughey, Sandra Bullock and Billy Crystal.