The 32-year-old singer was performing to her dance number 'Stronger' during her concert residency gig last week and the microphone pack came loose from her black leotard.
Braving the malfunction, Spears continued dancing to the number.
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This is not the first instance of an onstage malfunction, which Spears had to face during her residency. While performing to 'Circus' in December, the zipper of her corset dress had nearly come undone which was quickly rectified by a backup dancer.
"The dancers were helping me with the back part of my dress. It was really kind of crazy," Spears had said about the incident.