"Well I have asked for what I wanted for 14 years," Britney Spears wrote of her desire to record a new version of her 1998 debut single "...Baby One More Time"

The Grammy Award winner, 40, serenaded her 41.8 million Instagram

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followers Friday with a haunting rendition of her 1998 debut single "...Baby One More Time"

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in a dark mirror video of herself performing acoustically during a break from doing laundry.

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She also opened up about her years-long campaign to release an updated

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a version of the song, which was apparently thwarted as she had little control over her career during her 13-year conservatorship.

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Spears released the track in September 1998 as the lead single from her debut album of the same name.

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The song was nominated for Best Female Pop Vocal Performance at the Grammy Awards and it topped the charts in at least 22 countries.

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udge Brenda Penny, the Los Angeles justice who overturned the conservatorship,

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as part of an investigation into his role as the conservator of her estate.

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