When She Gives a Toast to Her Real Friends After an electrifying set, Swift really goes out with a bang as she sings "This Is Why We Can't Have Nice Things" — her diss track to Kanye West. As the screen features a Gatsby-esque mansion that slowly disintegrates as the song progresses, Swift gives a toast to her fans who've remained dedicated throughout the drama. Image Source: Getty / Kevin Mazur/TAS18