Laura may have mysteries... but Debra puts it all out in the open!
SEX! Err, we mean, YES!
The Dark Horse singer was right up near the stage, and when Miley caught sight of Katy, she just had to get some suga!
So, the 21-year-old crawled to the edge of the stage, where Miz Perry met her, and they shared a moment… and some spit! Ha!
[Image and video via Tyler Rogers/Instagram.]