Steve Martin, Martin Short, and Selena Gomez all learned some things from one another when working on their upcoming Hulu show ‘Only Murders in the Building.’ While the 29-year-old is learning about the acting industry and taking notes from the comedy legends, Gomez is also teaching the two actors a thing or two from her area of expertise. A post shared by Variety (@variety)In a cast interview with Variety, Gomez shared what she has taught Martin and Short.