On Friday, this rock festival was taken over by a pop singer.

Thats right:Lady Gaga.

In fact, Little Monsters got something of a Gaga history lesson last night.

Lady Gaga

Credit: Barry Brecheisen/WireImage

She brought out her former collaborator Lady Starlight from her days as a burlesque performer in lower Manhattan.

Now Im on the main stage, and it feels pretty frickin great.

(Considering this was a profanity-laden Gaga concert, feel free to sub in a more potent adverb.)

When she repeatedly asked the audience Do you think Im sexy?

she didnt offer up a demure I dont believe you!

like she has before.

This time, she already knew the answer.

Still, if she was looser in performance last night, it didnt mean she was sloppy.

Performing has become about so much more than justsingingfor Lady Gaga.

In fact, shessogood she doesnt have to show it off every single moment to prove it.

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