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Lady Gaga

Dave J Hogan/Getty Images

Lady Gaga let her natural brunette locks fly free.

The superstar singer decided to say sayonara to her hair piece while premiering 7 unheard tracks from her upcoming album ARTPOP at the iTunes Festival at London's Roundhouse today.

After snatching her wig off on stage during her performance of "Sex Dreams," Gaga encouraged her fans to do the same. "I knew I had to show you what's underneath all of the theater."

The singer tweeted earlier today, "I can't believe it's finally here! Tonight I premiere/perform 7 new songs from ARTPOP! On a scale of 1 to 10 how excited are you? Monsters?"

This was the celeb's first full live set since her hip surgery earlier this year.

According to reports, Gaga performed multiple new songs, including "Aura," "Manicure" and "Jewels & Drugs," a tune featuring rappers T.I., Too $hort and Twista, and also showcased Gaga's rhyming skills.

She ended the hour-long show with an encore performance of "Applause."