Shortly after, Katy dissed the “Wrecking Ball” singer on an Australian talk show, claiming she wasn't expecting anything more than a “friendly girly kiss,” adding, “God knows where that tongue has been. We don't know! That tongue is so infamous!”
Miley didn't like that, tweeting, "Girl if ur worried abt where tongues have been good thing ur ex boo is ur EX BOO cause we ALL know where THAT been," clearly referring to lothario John Mayer, with whom Katy just split, reportedly over his infidelity.
Perry responded with the best comeback ever, threatening, "Oooo gurrrl I'm gonna give you the BIGGEST spanking when I see you in the UK bb!"