Oh no, Martin Short! Selena Gomez's good pal from Only Murders In The Building revealed on Wednesday that he almost ruined her wedding to Benny Blanco! While chatting with Jimmy Kimmel, Martin said he and his castmates were all hanging out at Selly G's wedding in their own section and having a good time when Steve Martin decided he was about to leave. But one very important thing had yet to happen! Martin explained: "There was a cake, a wedding cake, by our section, but it was a small wedding cake. I just assumed there was a wedding cake for each section in the back.