Nah, nah, honey I'm good.
It's not the first time the musical pair have shared a stage, either. Grammer joined Swift for a live duet back in 2011, as well:
Swift was later joined on stage by Serayah, who appeared in the Bad Blood video as Dilemma.
Australian Swifties should probably start getting excited for who might pop up at their December shows, considering both Ed Sheeran and Sam Smith will be in town at the same time as Taylor!