See past and present "SNL" icons on the red carpet for the 50th anniversary "Saturday Night Live" celebration.

The Anniversary Celebration,' which featured iconic sketches, musical performances and appearances from former cast members.

Tina Fey, Amy Poehler, and Seth Meyers appeared on 'The Tonight Show' alongside host Jimmy Fallon ahead of the 'SNL50' anniversary special.

Live' veterans participated in a "Tonight Show Joke Off," a riff on SNL's "Weekend Update" segment during which they battled it out for the best punchlines.

Former “Weekend Update” anchors, Tina Fey, Amy Poehler, Seth Meyers and Jimmy Fallon, reunited on “The Tonight Show” ...

Tina Fey, Amy Poehler, and Seth Meyers held a reunion with Jimmy Fallon last night on The Tonight Show. Fey and Poehler interrupted the host’s monologue, much to his (feigned) surprise ...

It was like a "Weekend Update" reunion when Tina Fey, Amy Poehler, and Seth Meyers crashed Jimmy Fallon's February 12 opening ...

Tiny Fey and Amy Poehler stopped by The Tonight Show to talk about Bill Murray and the upcoming SNL 50th anniversary.

Tina Fey and Amy Poehler burst from behind the curtain to interrupt Jimmy Fallon ’s “Tonight Show” monologue on Wednesday.

The 50th anniversary celebration of “Saturday Night Live” is so big, it’s not even on Saturday. Airing Sunday and spanning ...