The Fallon Family at Easter in the 1970s.
Jimmy with his dad, Big Jimmy, at Carson City in Catskill, New York, 1977.
The Fallon family at Christmas in the 1980s.
Jimmy rocking out with his first electric guitar, age 12.
Jimmy Fallon and his date at the Junior Prom, 1991.
Jimmy Fallon addresses his fellow high school graduates, Saugerties, New York, 1992.
Jimmy Fallon with his Saturday Night Live Castmates Horatio Sanz, Will Ferrell, Darrell Hammond and Chris Parnell in New York City, May 13, 1999.
Jimmy Fallon dives onto the SNL writing-room conference table in 2002.
Jimmy Fallon perfoms with Mick Jagger during a skit called "Mick & Mick" on Saturday Night Live, December 8, 2001.
Jimmy Fallon with SNL executive producer Lorne Michaels in New York City, April 11, 2002.
Jimmy Fallon performs with James Brown at the 2002 MTV Video Music Awards in New York City, August 29, 2002.
Tina Fey and Jimmy Fallon host Saturday Night Live's "Weekend Update", March 10, 2003.
Jimmy with his wife Nancy on their wedding day along with his parents and sister, December 22, 2007.
Jimmy Fallon with Jon Stewart backstage at the Emmy Awards in Los Angeles, September 20, 2009.
Jimmy Fallon performs Bruce Springsteen's "Born to Run" at the Emmy Awards in Los Angeles, August 29, 2010.
Bruce Springsteen performs with Jimmy Fallon (dressed as Neil Young) to perform Willow Smith's "Whip my Hair" on Late Night with Jimmy Fallon, November 16, 2010.
Paul McCartney paid tribute to the origins of 'Yesterday' — which was first called 'Scrambled Eggs' — by performing a food-themed reinterpretation of the song on Late Night With Jimmy Fallon, December 9, 2010.