Katy, of course, can't let a more attractive woman have the spotlight, so she has to make an ass out of herself. Almost licking the bachelorette's hand.
Luke has to drag her away. That wasn't planned, yet it was necessary.
The bachelorette is beautiful, Jonny, way better taste than Katy. I approve! You don’t want that Katy drama. Luke pulls her too gently off the stage.