A three-and-a-half-hour special celebrates 40 years of "Saturday Night Live." Browse through these photos from the red carpet and event.
Jackie Sandler, left, and Adam Sandler arrive at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Jim Carrey arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Maya Rudolph, left, and Kristen Wiig arrive at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Keith Richards arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Dan Aykroyd, left, and Donna Dixon arrive at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Tina Fey arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Jerry Seinfeld, left, and Jessica Seinfeld arrive at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Kerry Washington arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Taylor Swift arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Emma Stone arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Dakota Johnson arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Colin Jost, from left, Cecily Strong, Vanessa Bayer and Michael Che arrive at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Lucy Liu arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Olivia Wilde, left, and Jason Sudeikis arrive at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Eddie Murphy, left, and Sarah Palin arrive at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Sarah Palin arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Hilaria Baldwin, left, and Alec Baldwin arrive at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Kristen Wiig arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Glenn Close arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Sarah Silverman arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Betty White arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Justin Timberlake, from left, Billy Crystal and Jimmy Fallon arrive at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Emilie Livingston, left, and Jeff Goldblum arrive at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Horatio Sanz arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Elliott Gould arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Will Ferrell arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Ana Gasteyer arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Fred Armisen arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Jay Pharoah, from left, Sasheer Zamata and Pete Davidson arrive at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Amy Poehler arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Martin Short arrives at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Jimmy Fallon, left, and Justin Timberlake arrive at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Kyle Mooney, from left, Beck Bennett and Bobby Moynihan arrive at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Seth Meyers, left, and Alexi Ashe arrive at the Saturday Night Live 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Tom Arnold arrives at the SNL 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Matt Lauer, from left, Savannah Guthrie, Al Roker and Carson Daly arrive at the SNL 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
Garrett Morris arrives at the SNL 40th Anniversary Special at Rockefeller Plaza on Sunday, Feb. 15, 2015, in New York.
(Photo by Evan Agostini/Invision/AP)
Photo by Evan Agostini/Invision/AP
“Saturday Night Live” celebrates its 40th anniversary Sunday night with “The SNL 40th Anniversary Special.” The three-and-a-half-hour show drew a long list of celebrities who have been regulars, guest hosts and more on “SNL” over the years. Browse through these photos from the red carpet and event.