Miley Cyrus to Katy Perry: We All Know Where John Mayer's Tongue Has Been!

Miley Cyrus and a pal do some shopping at Bed Bath & Beyond for some supplies on Wednesday (March 5) in Los Angeles.

The 21-year-old entertainer was on a short break from her Bangerz tour that day! She had a show the day before in Denver. Today, Miley will be performing in Omaha, Nebraska. Have fun tonight!

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“I’m over it (a la McDonald’s theme song)” Miley tweeted that same day. We hope everything is okay!

“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” Miley said on Twitter, along with a pic of Katy Perry, referring to John Mayer.