Ariana Grande served as host and Cher performed as the musical guest during the Dec. 20 episode of 'Saturday Night Live.' Here, see the best, worst and most oops moments in our roundup of the highs, lows and yikes from the latest episode of 'SNL.

Bowen Yang's final episode on SNL is a holiday-filled treat with host Ariana Grande and musical guest Cher getting in on the fun as the Grinch finds love, Home Alone offers a different ending, Black Santa fights for his freedom,

Ariana Grande hosts the holiday episode with Grammy-winning artist Cher performing as musical guest, airing at 11:30 p.m. ET on NBC and streaming platforms.