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

Blake Lively, Ryan Reynolds, Jenna Ortega, Kim Kardashian and Scarlett Johansson are among the stars walking the red carpet before Sunday night’s "SNL 50: The Anniversary Special." ...

The extravaganza came after months of celebrations of “Saturday Night Live,” which premiered Oct. 11, 1975, with an original cast that included John Belushi, Chase and Gilda Radner.

Current cast member Kenan Thompson’s appearance ... will be among the many successful hosts returning for the show’s 50th celebration. Other prolific and returning hosts range from actors ...