Justin, Lady Gaga on SNL

JUSTIN TIME FOR SNL FINALE: Justin Timberlake will host the season finale of Saturday Night Live on May 21 when the long-running NBC comedy wraps up its 36th year. Musical guest will be Lady Gaga, who last appeared as a performer in 2009 with host Ryan Reynolds. Timberlake's previous appearances on the show resulted in the Emmy-winning viral video hits "Dick in a Box" and "Mother Lover" with cast member Andy Samberg. Timberlake, who also last hosted in 2009, is starring in the upcoming rom-com film Friends With Benefits. (4/20p)