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The five-time Grammy winner later changed into a psychedelic rag doll outfit with a violet wig, neon green skirt and green wrappings around her legs and wrists.
Gaga’s new tour will include dozens of shows in North America as well as 25 in Europe and several in Asia.
She prepared for the tour in April by performing the final shows at New York’s l Roseland Ballroom.
The star also has a cameo in Sin City: A Dame To Kill For, which stars Joseph Gordon-Levitt, Josh Brolin, Eva Gree, Jessica Alba and Bruce Willis.
The movie is scheduled for release on August 22, 2014.
Her tour will travel around the globe before the finish in Portugal on November 10.
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