A collection of 10 essential ballads by artist Britney Spears.

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A collection of 10 essential ballads by artist Madonna.

A collection of 10 essential ballads by artist Christina Aguilera.

A collection of 10 essential uptempo/driving songs by artist Christina Aguilera.

A collection of 10 essential uptempo/driving songs by artist Britney Spears.

A collection of 10 essential songs by the band *NSYNC.

A collection of 10 essential songs by the band Backstreet Boys.