Jimmy Fallon will host the kickoff concert for a weekend full of "Saturday Night Live" 50th anniversary specials

From a Lonely Island medley with Lady Gaga to a Blues Brothers smash, the SNL50: Homecoming Concert is a must-watch.

A star-studded line up of singers and performers will take to the stage at Radio City Music Hall near the Rockefeller Center home of “Saturday Night Live” on Friday for a special 50th anniversary concert for the long-running NBC late night show.

“SNL50: The Homecoming Concert” will bring together some of the biggest names in music past and present, most of whom are notable “SNL” musical guests. Cher, Dave Grohl, Jack White, Lady Gaga, and Snoop Dogg are among tonight’s performers.

SNL50: The Anniversary Special on Sunday night logged 14.8 million viewers and a 2.53 rating in the 18-49 demo across NBC and Peacock.

Live received a giant boost in viewership over the weekend for its 50th anniversary special on television and streaming. The special’s total viewership across NBC and its streaming platform Peacock, both of which are owned by Comcast,

Missed the jam-packed 50th anniversary special, or feel like a belly-laugh? Here's where you can stream the episode and catch reruns of the entire series. Start the day smarter. G

Legendary alums, current cast members and the biggest names in music joined together to celebrate 50 years of 'Saturday Night Live.'