Selena Gomez and Kieran Culkin making "SNL" cameos together? Oh! The pop star made not one but two surprise appearances on NBC's "Saturday Night Live," reuniting with her "Only Murders in the Building ...

On the "SNL" spoof of the hit '90s comedy films, the "Come and Get It" singer played herself...the wedding singer, who comes with a hefty price. Martin and Short reprised their roles of patriarch ...