Pop star Britney Spears' faced a setback during her concert when her microphone pack fell loose in the middle of a dance number.

The audio equipment flew off her bejeweled black leotard in the middle of her residency concert Feb 4 in Las Vegas. However, the 32-year-old was not deterred by the malfunction and continued to perform like a professional, reports contactmusic.com.

The singer has experienced mishaps before as well. In December last year, her corset dress started to come off during a rendition of her song "Circus".