While the 'Saturday Night Live' 40th anniversary special had a range of talented performances, one moment that people are probably going to remember is the opening number.
Jimmy Fallon announced his first 'Tonight Show' guests and also spoke about his predecessor Jay Leno at a special Television Critics Association press conference.
While Jimmy Fallon hosted Saturday Night Live on Dec. 21 and had Justin Timberlake as the night's musical guest, the dynamic duo was joined by several celebrity pals throughout the show.