Watch: Miley Cyrus kisses Katy Perry at concert... and she really likes it!

Miley Cyrus gave Katy Perry the ultimate "thank you" for coming to her latest Bangerz concert in Los Angeles: a big, fat smooch on the lips!

Fans caught the kiss and Katy's surprised reaction on YouTube and Instagram — watch the moment Miley kissed the 'I Kissed a Girl' singer above (from multiple angles!).

Miley, who was in the middle of singing her hit 'Adore You', boasted to the 20,000-strong crowd, "I just kissed a girl and I really liked it a lot!"

After the show, the 21-year-old tweeted a mid-action photo of the kiss. For the record, it doesn't look like Miley's infamous tongue gave Katy whiplash.

However, Katy uploaded a photo to Twitter of herself wiping away the smooch with the caption: "And after! I adore you @MileyCyrus :P."

Other celebs at Miley's Staples Center show on Saturday night included Christina Aguilera, Khloe Kardashian, Kendall Jenner, Joel Madden, Nicole Richie, Diane Keaton and Hilary Duff. What we'd pay to see Miley pash Diane Keaton...

Of course, we've seen Miley kiss girls before, FIXers. A few months back we saw her making out with one of Britney Spears' dancers at her Vegas show:

Last week, TheFIX broke the news about calls for Miley's Bangerz tour to be shut down for being too "X-rated" for some fans. Read more about that here.

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