'SNL' all set for its landmark 50th season

'Saturday Night Live' is celebrating its 50th season with a starry lineup, including Ariana Grande, Billie Eilish, and Chappell Roan. Jean Smart will host the premiere on September 28, with other guests like Coldplay and Stevie Nicks. Maya Rudolph returns as Kamala Harris, and a special will air on February 16.