The 50th anniversary special for "Saturday Night Live" began with music generations colliding, with Paul Simon and Sabrina Carpenter singing "Homeward ... before comedy legend Steve Martin took the stage to give a host's traditional monologue.

The Grammy winners performed a touching duet of Simon & Garfunkel's "Homeward Bound," which he sang on the show decades earlier in 1976.

Sabrina Carpenter and Paul Simon starred in the cold open segment ... “I was not born then and neither were my parents,” Carpenter said. Steve Martin was given the honor of delivering the opening monologue, calling himself the how’s “newest ...

Paul Simon and Sabrina Carpenter opened the 50th anniversary special celebrating “Saturday Night Live” with a duet of his song “Homeward Bound.” The

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

Bill Murray showed up on 'Weekend Update' to mock the anchors, Tom Hanks introduced an "In Memoriam" segment devoted to "characters and sketches that have aged horribly" and other highlights.

The star-studded, three-hour primetime special on Sunday also featured musical performances by Miley Cyrus, Brittany Howard, Paul McCartney and Lil Wayne

SNL50: The Anniversary Special is billed to be a star-studded affair, and it opened on Sunday with some big guns: Sabrina Carpenter joined Paul Simon to perform a tender rendition of Simon and Garfunkel’s 1966 classic, “Homeward Bound.”